update github build workflow

.github/workflows/build.yml

@@ -3,31 +3,29 @@ on: [pull_request, push]
 
 jobs:
   build:
-    strategy:
-      matrix:
-        java: [
-          21,
-        ]
-        os: [ubuntu-22.04]
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
+
     steps:
-      - name: checkout repository
-        uses: actions/checkout@v3
-      - name: validate gradle wrapper
-        uses: gradle/wrapper-validation-action@v1
-      - name: setup jdk ${{ matrix.java }}
-        uses: actions/setup-java@v3
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-java@v4
         with:
-          java-version: ${{ matrix.java }}
-          distribution: 'microsoft'
-      - name: make gradle wrapper executable
-        if: ${{ runner.os != 'Windows' }}
+          distribution: temurin
+          java-version: 21
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v3
+        with:
+          cache-read-only: false
+
+      - name: Change wrapper permissions
         run: chmod +x ./gradlew
-      - name: build
+
+      - name: Run build with Gradle Wrapper
         run: ./gradlew build
-      - name: capture build artifacts
-        if: ${{ runner.os == 'Linux' && matrix.java == '21' }}
+
+      - name: Upload built JAR
         uses: actions/upload-artifact@v3
         with:
-          name: Artifacts
-          path: build/libs/
+          name: skin-restorer-artifacts
+          path: build/libs