Update ci workflow to be reusable

.github/workflows/ci.yml

@@ -1,5 +1,5 @@
 name: main Continuous Integration
-on: [ pull_request, workflow_dispatch ]
+on: [ pull_request, workflow_dispatch, workflow_call ]
 
 concurrency:
   group: ci-${{ github.head_ref || github.ref }}
@@ -17,17 +17,20 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
+
       - name: Set up JDK 17
         uses: actions/setup-java@v3
         with:
           java-version: 17
           distribution: 'temurin'
+
       - name: Cache Maven packages
         uses: actions/cache@v2
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
           restore-keys: ${{ runner.os }}-m2
+
       - name: Run Tests
-        run: mvn -V -ntp verify --file pom.xml
+        run: mvn -U -B -V -ntp verify