Update softprops/action-gh-release action to v3

Author: renovate[bot]

.github/workflows/gradle.yml

@@ -93,7 +93,7 @@ jobs:
     - name: Upload as GitHub Release
       if: github.ref == env.RELEASE_BRANCH
       continue-on-error: true
-      uses: softprops/action-gh-release@v2
+      uses: softprops/action-gh-release@v3
       with:
         name: "Velocity-CTD"
         tag_name: "${{ steps.release_tag.outputs.tag }}"