ci: 更新 Maven 构建配置

- 移除 Set up Maven 步骤
- 使用 ./mvnw 替代 mvn命令

.gitea/workflows/build-test.yaml

@@ -17,10 +17,11 @@ jobs:
           java-version: '17'
           distribution: 'temurin'
           cache: maven
-      - name: Set up Maven
-        uses: https://git.alina-dace.info/actions/setup-maven@v5
-        with:
-          maven-version: 3.8.2
+#      - name: Set up Maven
+#        uses: https://git.alina-dace.info/actions/setup-maven@v5
+#        with:
+#          maven-version: 3.8.2
+      - run: chmod +x ./mvnw
       - name: build
-        run: mvn clean package -DskipTests=true -P prod
+        run: ./mvnw clean package -DskipTests=true -P prod
       - run: docker build sakura-miki:latest