Update actions/upload-artifact action to v5

Author: renovate[bot]

.github/workflows/build.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Build with Gradle
         run: ./gradlew shadowJar
       - name: Upload Build Artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: tweaks
           path: build/libs/*.jar