build(deps): bump actions/cache from 5 to 6 (#5115)

Bumps [actions/cache](https://github.com/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](https://github.com/actions/cache/compare/v5...v6)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Awesome Stickz <38146668+AwesomeStickz@users.noreply.github.com>

.github/workflows/docker-app-rest-passthrough.yml

@@ -57,7 +57,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7
       - name: Cache Docker layers
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-single-buildx-${{ github.sha }}
@@ -177,7 +177,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v7
       - name: Cache Docker layers
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-single-buildx-${{ github.sha }}

.github/workflows/site.yml

@@ -41,7 +41,7 @@ jobs:
       - run: yarn install --immutable
         working-directory: ./website
       - name: Restore bundler cache
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           key: ${{ runner.os }}-docusaurus-bundler-${{ github.sha }}
           path: ./website/node_modules/.cache