chore(region-template): update code reference links in region issue template (#34243)

### Issue # (if applicable)

Closes NA.

### Reason for this change

Placeholder link for code references are outdated in region issue template.

### Description of changes

Update placeholder link and point to updated path in code repo.

### Describe any new or updated permissions being added
NA


### Description of how you validated changes

NA

### Checklist
- [ ] My code adheres to the [CONTRIBUTING GUIDE](https://github.com/aws/aws-cdk/blob/main/CONTRIBUTING.md) and [DESIGN GUIDELINES](https://github.com/aws/aws-cdk/blob/main/docs/DESIGN_GUIDELINES.md)

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Author: shikha372

.github/ISSUE_TEMPLATE/region.yml

@@ -69,19 +69,17 @@ body:
 
         🚀 Checklist:
 
-        * [ ] Add region in [AWS_CDK_METADATA](https://github.com/aws/aws-cdk/blob/v2.65.0/packages/@aws-cdk/region-info/build-tools/fact-tables.ts#L1) (commented out).
-        * [ ] Add region and zone id in [ROUTE_53_BUCKET_WEBSITE_ZONE_IDS](https://github.com/aws/aws-cdk/blob/v2.65.0/packages/@aws-cdk/region-info/build-tools/fact-tables.ts#L40).
-        * [ ] Add region and zone id in [EBS_ENV_ENDPOINT_HOSTED_ZONE_IDS](https://github.com/aws/aws-cdk/blob/v2.65.0/packages/@aws-cdk/region-info/build-tools/fact-tables.ts#L77).
-        * [ ] Add region and account in [ELBV2_ACCOUNTS](https://github.com/aws/aws-cdk/blob/v2.65.0/packages/@aws-cdk/region-info/build-tools/fact-tables.ts#L116).
-        * [ ] Add region and account in [DLC_REPOSITORY_ACCOUNTS](https://github.com/aws/aws-cdk/blob/v2.65.0/packages/@aws-cdk/region-info/build-tools/fact-tables.ts#L149).
-        * [ ] Add region and account in [APPMESH_ECR_ACCOUNTS](https://github.com/aws/aws-cdk/blob/v2.65.0/packages/@aws-cdk/region-info/build-tools/fact-tables.ts#L174).
-        * [ ] Add region and ARN in [CLOUDWATCH_LAMBDA_INSIGHTS_ARNS](https://github.com/aws/aws-cdk/blob/v2.65.0/packages/@aws-cdk/region-info/build-tools/fact-tables.ts#L202) for `1.0.178.0`.
-        * [ ] Add region and CIDR block address in [FIREHOSE_CIDR_BLOCKS](https://github.com/aws/aws-cdk/blob/v2.65.0/packages/@aws-cdk/region-info/build-tools/fact-tables.ts#L498).
-        * [ ] Add region and ARN in [ADOT_LAMBDA_LAYER_JAVA_SDK_ARNS](https://github.com/aws/aws-cdk/blob/v2.65.0/packages/@aws-cdk/region-info/build-tools/fact-tables.ts#L529) for most recent version in `x86_64` and `arm64`.
-        * [ ] Add region and ARN in [ADOT_LAMBDA_LAYER_JAVA_AUTO_INSTRUMENTATION_ARNS](https://github.com/aws/aws-cdk/blob/v2.65.0/packages/@aws-cdk/region-info/build-tools/fact-tables.ts#L608) for most recent version in `x86_64` and `arm64`.
-        * [ ] Add region and ARN in [ADOT_LAMBDA_LAYER_JAVASCRIPT_SDK_ARNS](https://github.com/aws/aws-cdk/blob/v2.65.0/packages/@aws-cdk/region-info/build-tools/fact-tables.ts#L689) for most recent version in `x86_64` and `arm64`.
-        * [ ] Add region and ARN in [ADOT_LAMBDA_LAYER_PYTHON_SDK_ARNS](https://github.com/aws/aws-cdk/blob/v2.65.0/packages/@aws-cdk/region-info/build-tools/fact-tables.ts#L768) for most recent version in `x86_64` and `arm64`.
-        * [ ] Add region and ARN in [ADOT_LAMBDA_LAYER_GENERIC_ARNS](https://github.com/aws/aws-cdk/blob/v2.65.0/packages/@aws-cdk/region-info/build-tools/fact-tables.ts#L847) for most recent version in `x86_64` and `arm64`.
-        * [ ] Add region in [AWS_REGIONS_AND_RULES](https://github.com/aws/aws-cdk/blob/v2.65.0/packages/@aws-cdk/region-info/lib/aws-entities.ts).
-        * [ ] Add partition info if the region is also a new partition in [PARTITION_MAP](https://github.com/aws/aws-cdk/blob/main/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts#L88)
+        * [ ] Add region and zone id in [ROUTE_53_BUCKET_WEBSITE_ZONE_IDS](https://github.com/aws/aws-cdk/blob/05968247399ab79a086a37cf665f4d0c3ed051a7/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts#L7).
+        * [ ] Add region and zone id in [EBS_ENV_ENDPOINT_HOSTED_ZONE_IDS](https://github.com/aws/aws-cdk/blob/05968247399ab79a086a37cf665f4d0c3ed051a7/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts#L48).
+        * [ ] Add region and account in [ELBV2_ACCOUNTS](https://github.com/aws/aws-cdk/blob/05968247399ab79a086a37cf665f4d0c3ed051a7/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts#L124).
+        * [ ] Add region and account in [DLC_REPOSITORY_ACCOUNTS](https://github.com/aws/aws-cdk/blob/05968247399ab79a086a37cf665f4d0c3ed051a7/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts#L158).
+        * [ ] Add region and account in [APPMESH_ECR_ACCOUNTS](https://github.com/aws/aws-cdk/blob/05968247399ab79a086a37cf665f4d0c3ed051a7/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts#L190).
+        * [ ] Add region and ARN in [CLOUDWATCH_LAMBDA_INSIGHTS_ARNS](https://github.com/aws/aws-cdk/blob/05968247399ab79a086a37cf665f4d0c3ed051a7/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts#L485).
+        * [ ] Add region and ARN in [ADOT_LAMBDA_LAYER_JAVA_SDK_ARNS](https://github.com/aws/aws-cdk/blob/05968247399ab79a086a37cf665f4d0c3ed051a7/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts#L1245) for most recent version in `x86_64` and `arm64`.
+        * [ ] Add region and ARN in [ADOT_LAMBDA_LAYER_JAVA_AUTO_INSTRUMENTATION_ARNS](https://github.com/aws/aws-cdk/blob/05968247399ab79a086a37cf665f4d0c3ed051a7/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts#L1804) for most recent version in `x86_64` and `arm64`.
+        * [ ] Add region and ARN in [ADOT_LAMBDA_LAYER_JAVASCRIPT_SDK_ARNS](https://github.com/aws/aws-cdk/blob/05968247399ab79a086a37cf665f4d0c3ed051a7/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts#L2364) for most recent version in `x86_64` and `arm64`.
+        * [ ] Add region and ARN in [ADOT_LAMBDA_LAYER_PYTHON_SDK_ARNS](https://github.com/aws/aws-cdk/blob/05968247399ab79a086a37cf665f4d0c3ed051a7/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts#L2885) for most recent version in `x86_64` and `arm64`.
+        * [ ] Add region and ARN in [ADOT_LAMBDA_LAYER_GENERIC_ARNS](https://github.com/aws/aws-cdk/blob/05968247399ab79a086a37cf665f4d0c3ed051a7/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts#L3482) for most recent version in `x86_64` and `arm64`.
+        * [ ] Add region in [AWS_REGIONS_AND_RULES](https://github.com/aws/aws-cdk/blob/05968247399ab79a086a37cf665f4d0c3ed051a7/packages/aws-cdk-lib/region-info/lib/aws-entities.ts#L27).
+        * [ ] Add partition info if the region is also a new partition in [PARTITION_MAP](https://github.com/aws/aws-cdk/blob/05968247399ab79a086a37cf665f4d0c3ed051a7/packages/aws-cdk-lib/region-info/build-tools/fact-tables.ts#L88)
         * [ ] Run integ tests and update snapshots