Bump actions/upload-artifact from 3 to 4

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/LaTeX_Action.yml

@@ -46,7 +46,7 @@ jobs:
           mv Children_Creative_Labs/Puzzles_About_Artworks.pdf Children_Creative_Labs/Laboratorio_Creativo-Puzzle_sulle_Opere.pdf
           mv Children_Labs/Test.pdf Children_Labs/Laboratorio-Test.pdf
       - name: Caricamento della Release temporanea
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with: 
           name: Tour Bambini Musei Civici
           path: |