chore: 修改 Java 安装步骤，直接通过 apt 安装 OpenJDK 17

.gitea/workflows/expo-build-apk.yaml

@@ -20,12 +20,26 @@ jobs:
         with:
           node-version: '18'
 
-      - name: Setup Java
-        uses: actions/setup-java@v3
-        with:
-          java-version: '17'
-          distribution: 'temurin'
+      - name: Install Java 17
+        run: |
+          # 首先更新包列表
+          sudo apt update
           
+          # 安装 OpenJDK 17
+          sudo apt install -y openjdk-17-jdk
+          
+          # 验证安装
+          java -version
+          javac -version
+          
+          # 设置 JAVA_HOME 环境变量
+          JAVA_HOME=$(readlink -f /usr/bin/java | sed "s:bin/java::")
+          echo "JAVA_HOME=$JAVA_HOME" >> $GITHUB_ENV
+          echo "PATH=$JAVA_HOME/bin:$PATH" >> $GITHUB_ENV
+          
+          # 验证环境变量
+          echo "Java Home: $JAVA_HOME"
+
       - name: Setup pnpm
         run: npm install -g pnpm