update changelog with latest changes

Author: Release bot

CHANGELOG.md

@@ -6,6 +6,7 @@
 
 ## Bug Fixes
 
+* **ci:** ensure PR_AUTHOR is present for large_pr_split workflow
 * **ci:** gracefully and successful exit changelog upon no changes
 * **ci:** event resolution for on_label_added workflow
 
@@ -16,16 +17,19 @@
 ## Features
 
 * **ci:** add actionlint in pre-commit hook
+* **event_sources:** add CloudWatch dashboard custom widget event ([#1474](https://github.com/awslabs/aws-lambda-powertools-python/issues/1474))
 
 ## Maintenance
 
+* **ci:** add missing description fields
+* **ci:** enable ci checks for v2
 * **ci:** add workflow to suggest splitting large PRs ([#1480](https://github.com/awslabs/aws-lambda-powertools-python/issues/1480))
 * **ci:** add linter for GitHub Actions as pre-commit hook ([#1479](https://github.com/awslabs/aws-lambda-powertools-python/issues/1479))
 * **ci:** remove dangling debug step
 * **ci:** fix invalid dependency leftover
-* **ci:** add missing description fields
 * **ci:** remove unused and undeclared OS matrix env
 * **ci:** limit E2E workflow run for source code change
+* **deps-dev:** bump mypy-boto3-dynamodb from 1.24.55.post1 to 1.24.60 ([#1481](https://github.com/awslabs/aws-lambda-powertools-python/issues/1481))
 * **maintainers:** update release workflow link