Update main.yml

.github/workflows/main.yml

@@ -26,8 +26,16 @@ jobs:
         server-id: github # Value of the distributionManagement/repository/id field of the pom.xml
         settings-path: ${{ github.workspace }} # location for the settings.xml file
 
-    - name: Build with Maven
-      run: mvn -B package --file pom.xml
+      - name: Cache the Maven packages to speed up build
+        uses: actions/cache@v1
+        with:
+          path: ~/.m2
+          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+          restore-keys: ${{ runner.os }}-m2
+      - name: Set up Maven
+        uses: stCarolas/setup-maven@v4.5
+        with:
+          maven-version: 3.8.1
 
     - name: Publish to GitHub Packages Apache Maven
       run: mvn deploy -s $GITHUB_WORKSPACE/settings.xml