ワークフローの書き直し

.github/workflows/build.yml

@@ -0,0 +1,38 @@
+---
+name: Build
+on:
+  push:
+    branches:
+      - v2
+  pull_request:
+    branches:
+      - v2
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build with Java 17
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: "adopt"
+          java-version: "17"
+          cache: "maven"
+
+      - name: Java version
+        run: java -version
+
+      - name: Check maven version
+        run: mvn --version
+
+      - name: Build
+        run: mvn -B package
+
+      - name: Upload a Build Artifact
+        uses: actions/[email protected]
+        with:
+          path: target/