chore(deps): bump actions/upload-artifact from 4 to 5

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/flutter_beta.yml

@@ -29,7 +29,7 @@ jobs:
     - name: Build example APK
       run: flutter build apk
     - name: Upload apk as artifact
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       with:
         name: maplibre-flutter-demo.apk
         path: maplibre_gl_example/build/app/outputs/flutter-apk/app-release.apk
@@ -53,7 +53,7 @@ jobs:
       - name: Build iOS package
         run: flutter build ios --simulator
       - name: Upload Runner.app as artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: maplibre-flutter-demo.app
           path: maplibre_gl_example/build/ios/iphonesimulator

.github/workflows/flutter_ci.yml

@@ -106,7 +106,7 @@ jobs:
       - name: Build example APK
         run: flutter build apk
       - name: Upload apk as artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: maplibre-flutter-demo.apk
           path: maplibre_gl_example/build/app/outputs/flutter-apk/app-release.apk
@@ -132,7 +132,7 @@ jobs:
       - name: Build iOS package
         run: flutter build ios --simulator
       - name: Upload Runner.app as artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: maplibre-flutter-demo.app
           path: maplibre_gl_example/build/ios/iphonesimulator