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] <[email protected]>

Author: dependabot[bot]

.github/workflows/documentation.yml

@@ -62,7 +62,7 @@ jobs:
         run: sphinx-build -b html -j auto -d docs/_build/cache -q docs docs/_build/html
 
       - name: Save build doc as artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: documentation
           path: docs/_build/html/*

.github/workflows/packager.yml

@@ -35,7 +35,7 @@ jobs:
       - name: Compile translations
         run: lrelease ${{ env.PROJECT_FOLDER }}/resources/i18n/*.ts
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: translations-build
           path: ${{ env.PROJECT_FOLDER }}/**/*.qm
@@ -85,7 +85,7 @@ jobs:
       - name: Package the latest version
         run: qgis-plugin-ci package latest --allow-uncommitted-changes
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: ${{ env.PROJECT_FOLDER }}-latest
           path: ${{ env.PROJECT_FOLDER }}.*.zip
@@ -151,7 +151,7 @@ jobs:
           --osgeo-username ${{ secrets.OSGEO_USER }}
           --osgeo-password ${{ secrets.OSGEO_PASSWORD }}
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: ${{ env.PROJECT_FOLDER }}-${GITHUB_REF/refs\/tags\//}
           path: ${{ env.PROJECT_FOLDER }}.*.zip