chore(deps): bump actions/cache from 4 to 5

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/build.yml

@@ -26,7 +26,7 @@ jobs:
         run: npx dxt pack packages/mcp-server contentful-mcp-server.dxt
 
       - name: Save Build folders
-        uses: actions/cache/save@v4
+        uses: actions/cache/save@v5
         with:
           path: |
             build

.github/workflows/check.yml

@@ -20,7 +20,7 @@ jobs:
         run: npm ci
 
       - name: Restore the build folders
-        uses: actions/cache/restore@v4
+        uses: actions/cache/restore@v5
         with:
           path: build
           key: build-cache-${{ github.run_id }}-${{ github.run_attempt }}

.github/workflows/release.yml

@@ -57,7 +57,7 @@ jobs:
         run: npm ci
 
       - name: Restore the build folders
-        uses: actions/cache/restore@v4
+        uses: actions/cache/restore@v5
         with:
           path: |
             build