update github build workflow

.github/workflows/build.yml

@@ -1,33 +1,31 @@
 name: build
-on: [pull_request, push]
+on: [ pull_request, push ]
 
 jobs:
   build:
-    strategy:
+    runs-on: ubuntu-latest
-      matrix:
+
-        java: [
-          21,
-        ]
-        os: [ubuntu-22.04]
-    runs-on: ${{ matrix.os }}
     steps:
-      - name: checkout repository
+      - uses: actions/checkout@v2
-        uses: actions/checkout@v3
+
-      - name: validate gradle wrapper
+      - uses: actions/setup-java@v4
-        uses: gradle/wrapper-validation-action@v1
-      - name: setup jdk ${{ matrix.java }}
-        uses: actions/setup-java@v3
         with:
-          java-version: ${{ matrix.java }}
+          distribution: temurin
-          distribution: 'microsoft'
+          java-version: 21
-      - name: make gradle wrapper executable
+
-        if: ${{ runner.os != 'Windows' }}
+      - 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
+          name: skin-restorer-artifacts
-          path: build/libs/
+          path: build/libs