Update actions/upload-artifact action to v4.5.0 (#158)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/maven.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Build with Maven
         run: mvn -B package --file pom.xml
       - name: Upload a Build Artifact
-        uses: actions/upload-artifact@v4.4.3
+        uses: actions/upload-artifact@v4.5.0
         with:
           # Artifact name
           name: PistonChat