Update github workflows

- Add release workflow
- Add build numbers on action

.github/workflows/build-gradle.yml

@@ -1,4 +1,4 @@
-name: gradle-ci
+name: build-gradle
 
 on: [ push, pull_request ]
 

.github/workflows/build-release.yml

@@ -0,0 +1,27 @@
+name: build-release
+
+on:
+  release:
+    types:
+      - published
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v2
+        with:
+          distribution: 'temurin'
+          java-version: 17
+
+      - name: Build with Gradle
+        run: ./gradlew build
+
+      - name: Upload build artifacts
+        uses: AButler/upload-release-assets@v2.0
+        with:
+          files: 'build/libs/!(*-@(dev|sources)).jar'
+          repo-token: ${{ secrets.GITHUB_TOKEN }}