chore(actions): 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/preview.yml

@@ -61,7 +61,7 @@ jobs:
       - name: Restore Quarto freezer
         if: ${{ !contains(github.event.pull_request.labels.*.name, 'clear-freezer') }}
         id: quarto-freezer-cache
-        uses: actions/cache/restore@v4
+        uses: actions/cache/restore@v5
         with:
           path: _freeze
           key: ${{ runner.os }}-quarto-freezer-${{ github.event.pull_request.head.sha }}-${{ github.run_attempt }}
@@ -184,7 +184,7 @@ jobs:
           PREVIEW_CHANGED_CHAPTERS: ${{ env.PREVIEW_CHANGED_CHAPTERS }}
 
       - name: Save Quarto freezer
-        uses: actions/cache/save@v4
+        uses: actions/cache/save@v5
         with:
           path: _freeze
           key: ${{ runner.os }}-quarto-freezer-${{ github.event.pull_request.head.sha }}-${{ github.run_attempt }}

.github/workflows/publish.yml

@@ -43,7 +43,7 @@ jobs:
         uses: quarto-dev/quarto-actions/render@v2
 
       - name: Save Quarto freezer
-        uses: actions/cache/save@v4
+        uses: actions/cache/save@v5
         with:
           path: _freeze
           key: ${{ runner.os }}-quarto-freezer-${{ github.ref_name }}-${{ github.sha }}