chore(deps): bump actions/cache from 5 to 6 in the github-actions group

Bumps the github-actions group with 1 update: [actions/cache](https://github.com/actions/cache).


Updates `actions/cache` from 5 to 6
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v5...v6)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/cfn-nag.yml

@@ -30,7 +30,7 @@ jobs:
         with:
           node-version: 18
       - name: Cache Node.js modules
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ~/.npm
           key: ${{ runner.OS }}-node-${{ hashFiles('**/package-lock.json') }}