Bump aws-cdk from 2.1125.0 to 2.1126.0 in /tests/infra in the npm group (#2736)

Bumps the npm group in /tests/infra with 1 update: [aws-cdk](https://github.com/aws/aws-cdk-cli/tree/HEAD/packages/aws-cdk).


Updates `aws-cdk` from 2.1125.0 to 2.1126.0
- [Release notes](https://github.com/aws/aws-cdk-cli/releases)
- [Commits](https://github.com/aws/aws-cdk-cli/commits/aws-cdk@v2.1126.0/packages/aws-cdk)

---
updated-dependencies:
- dependency-name: aws-cdk
  dependency-version: 2.1126.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: npm
...

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Author: dependabot[bot]

tests/infra/package.json

@@ -21,7 +21,7 @@
     "@types/node": "^25.9.1",
     "@vitest/coverage-v8": "^4.1.8",
     "@vitest/eslint-plugin": "^1.6.19",
-    "aws-cdk": "^2.1125.0",
+    "aws-cdk": "^2.1126.0",
     "eslint": "^10.4.1",
     "eslint-import-resolver-typescript": "^4.4.5",
     "eslint-plugin-awscdk": "^4.3.3",