ci: set up Maven build to run with -T2C

Author: joaodinissf

.github/workflows/verify.yml

@@ -40,7 +40,7 @@ jobs:
           path: /home/runner/.m2/repository
           key: ${{ runner.os }}-maven-0-${{ hashFiles('**/pom.xml') }}
       - name: Build with Maven  within a virtual X Server Environment
-        run: xvfb-run mvn clean verify checkstyle:check pmd:pmd pmd:check pmd:cpd-check spotbugs:check -f ./ddk-parent/pom.xml --batch-mode --fail-at-end -T1.5C
+        run: xvfb-run mvn clean verify checkstyle:check pmd:pmd pmd:check pmd:cpd-check spotbugs:check -f ./ddk-parent/pom.xml --batch-mode --fail-at-end -T2C
       - name: Archive Tycho Surefire Plugin
         if: ${{ failure() }}
         uses: actions/upload-artifact@v4