chore(deps-dev): bump @guardian/cdk from 61.3.0 to 61.3.1

Bumps [@guardian/cdk](https://github.com/guardian/cdk) from 61.3.0 to 61.3.1.
- [Release notes](https://github.com/guardian/cdk/releases)
- [Changelog](https://github.com/guardian/cdk/blob/main/CHANGELOG.md)
- [Commits](guardian/cdk@v61.3.0...v61.3.1)

---
updated-dependencies:
- dependency-name: "@guardian/cdk"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -9,7 +9,7 @@
     "diff": "cdk diff --path-metadata false --version-reporting false"
   },
   "devDependencies": {
-    "@guardian/cdk": "61.3.0",
+    "@guardian/cdk": "61.3.1",
     "aws-cdk": "2.178.1",
     "aws-cdk-lib": "2.178.1",
     "constructs": "10.4.2",