Bump the all-github-actions group with 2 updates (#3)

Bumps the all-github-actions group with 2 updates: [actions/upload-artifact](https://github.com/actions/upload-artifact) and [actions/cache](https://github.com/actions/cache).


Updates `actions/upload-artifact` from 5 to 6
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...v6)

Updates `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/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all-github-actions
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all-github-actions
...

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

Author: dependabot[bot]

.github/workflows/QuartoBuildPublish.yml

@@ -84,15 +84,15 @@ jobs:
         run(`$(quarto()) render index.qmd --to pdf`)
 
     - name: Upload PDF presentation
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: pdf-presentation
         path: |
           **/index.pdf
         retention-days: 30
 
     - name: Upload HTML presentation
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: html-presentation
         path: |
@@ -103,7 +103,7 @@ jobs:
     - name: Save Julia depot cache on cancel or failure
       id: julia-cache-save
       if: cancelled() || failure()
-      uses: actions/cache/save@v4
+      uses: actions/cache/save@v5
       with:
         path: |
           ${{ steps.julia-cache.outputs.cache-paths }}