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]>

.github/workflows/deploy.yml

@@ -68,7 +68,7 @@ jobs:
                     docker-version: ${{ env.BUILDER_VERSION }}
 
             -   name: Upload artifacts
-                uses: actions/upload-artifact@v3
+                uses: actions/upload-artifact@v4
                 with:
                     name: docs
                     path: |
@@ -77,7 +77,7 @@ jobs:
                     retention-days: 7
 
             -   name: Upload search indexes
-                uses: actions/upload-artifact@v3
+                uses: actions/upload-artifact@v4
                 with:
                     name: ${{ env.ARTIFACT_INDEXES }}
                     path: artifacts/${{ env.ALGOLIA_ARTIFACT }}
@@ -143,7 +143,7 @@ jobs:
                     cd ..
 
             -   name: Update search indexes
-                uses: actions/upload-artifact@v3
+                uses: actions/upload-artifact@v4
                 with:
                     name: ${{ env.ARTIFACT_INDEXES_CLEARED }}
                     path: ${{ env.ARTIFACT_INDEXES }}/${{ env.ALGOLIA_ARTIFACT }}
@@ -184,7 +184,7 @@ jobs:
                 run: php src/sitemap.php
 
             -   name: Upload artifacts
-                uses: actions/upload-artifact@v3
+                uses: actions/upload-artifact@v4
                 with:
                     name: sitemap
                     path: sitemap.xml
@@ -205,7 +205,7 @@ jobs:
                     echo "Sitemap: https://${{ env.DOMAIN_NAME }}/sitemap.xml" >> robots.txt
 
             -   name: Upload artifacts
-                uses: actions/upload-artifact@v3
+                uses: actions/upload-artifact@v4
                 with:
                     name: robots
                     path: robots.txt