ci: replace actions/checkout with git clone (no Node.js in runner)

.gitea/workflows/deploy.yml

@@ -14,18 +14,22 @@ on:
 env:
   REGISTRY: 192.168.123.199:5000
   APP: lpt-be
+  REPO_URL: http://git.cat-shark.xyz/cat-shark/lpt-be.git
 
 jobs:
   build-and-deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout code
+        run: |
+          git clone $REPO_URL .
+          git checkout ${{ github.sha }}
 
       - name: Set up JDK 17
-        uses: actions/setup-java@v4
+        run: |
-        with:
+          apt-get update -qq
-          java-version: '17'
+          apt-get install -y -qq openjdk-17-jdk
-          distribution: 'temurin'
+          java -version
 
       - name: Build with Maven
         run: ./mvnw package -DskipTests -B