chore(route53): support new partitions in route53 cross-account delegator (#29537)

### Issue # (if applicable)

n/a

### Reason for this change

Support new partitions from the AWS JS SDK: https://github.com/aws/aws-sdk-js-v3/blob/05c32e74595113347211ba0584197b665ebab1db/packages/util-endpoints/src/lib/aws/partitions.json#L190-L2

### Description of changes

Support new partitions from the AWS JS SDK: https://github.com/aws/aws-sdk-js-v3/blob/05c32e74595113347211ba0584197b665ebab1db/packages/util-endpoints/src/lib/aws/partitions.json#L190-L214

### Description of how you validated changes

This is a minor update to a mapping that has no existing unit tests. I'm happy to add if desired, but likely unnecessary.

### Checklist
- [x] 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: naiello

packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.cross-account-zone-delegation.js.snapshot/asset.5e6e9858d1b0f5ba042ceacb850822cb985861c7bd174ceb7659a10daebe43e9/index.js

@@ -103,7 +103,7 @@
    "Properties": {
     "Code": {
      "S3Bucket": "cdk-hnb659fds-assets-234567890123-af-south-1",
-     "S3Key": "5e6e9858d1b0f5ba042ceacb850822cb985861c7bd174ceb7659a10daebe43e9.zip"
+     "S3Key": "aca4a134bf7ace6088b21213be7ab4357e3705f714362b690d76376b8f1df53a.zip"
     },
     "Timeout": 900,
     "MemorySize": 128,

packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.cross-account-zone-delegation.js.snapshot/asset.5e6e9858d1b0f5ba042ceacb850822cb985861c7bd174ceb7659a10daebe43e9/__entrypoint__.js renamed to packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.cross-account-zone-delegation.js.snapshot/asset.aca4a134bf7ace6088b21213be7ab4357e3705f714362b690d76376b8f1df53a/__entrypoint__.js

@@ -103,7 +103,7 @@
    "Properties": {
     "Code": {
      "S3Bucket": "cdk-hnb659fds-assets-234567890123-us-east-1",
-     "S3Key": "5e6e9858d1b0f5ba042ceacb850822cb985861c7bd174ceb7659a10daebe43e9.zip"
+     "S3Key": "aca4a134bf7ace6088b21213be7ab4357e3705f714362b690d76376b8f1df53a.zip"
     },
     "Timeout": 900,
     "MemorySize": 128,

packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.cross-account-zone-delegation.js.snapshot/asset.aca4a134bf7ace6088b21213be7ab4357e3705f714362b690d76376b8f1df53a/index.js

@@ -103,7 +103,7 @@
    "Properties": {
     "Code": {
      "S3Bucket": "cdk-hnb659fds-assets-234567890123-us-east-1",
-     "S3Key": "5e6e9858d1b0f5ba042ceacb850822cb985861c7bd174ceb7659a10daebe43e9.zip"
+     "S3Key": "aca4a134bf7ace6088b21213be7ab4357e3705f714362b690d76376b8f1df53a.zip"
     },
     "Timeout": 900,
     "MemorySize": 128,

packages/@aws-cdk-testing/framework-integ/test/aws-route53/test/integ.cross-account-zone-delegation.js.snapshot/child-opt-in-stack.assets.json

@@ -111,6 +111,8 @@ function route53Region(region: string) {
     'us-gov': 'us-gov-west-1',
     'us-iso': 'us-iso-east-1',
     'us-isob': 'us-isob-east-1',
+    'eu-isoe': 'eu-isoe-west-1',
+    'us-isof': 'us-isof-south-1',
   };
 
   for (const [prefix, mainRegion] of Object.entries(partitions)) {