Merge pull request #8 from Malus-risus/renovate/actions-upload-artifact-4.x

Update actions/upload-artifact action to v4

.github/workflows/build.yml

@@ -58,7 +58,7 @@ jobs:
         ./gradlew assembleDebug
 
     - name: Upload APK
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: apk
         path: ${{ github.workspace }}/V2rayNG/app/build/outputs/apk/debug/