Added latest maven version to tests workflow.

.github/workflows/run-tests.yaml

@@ -17,7 +17,19 @@ jobs:
           distribution: temurin
           cache: maven
 
-      - run: mvn --version
+      - name: Install Maven 3.9.6
+        run: |
+          wget https://downloads.apache.org/maven/maven-3/3.9.6/binaries/apache-maven-3.9.6-bin.tar.gz
+          tar -xvf apache-maven-3.9.6-bin.tar.gz
+          sudo mv apache-maven-3.9.6 /usr/local/apache-maven
+          rm apache-maven-3.9.6-bin.tar.gz
+          sudo update-alternatives --install /usr/bin/mvn mvn /usr/local/apache-maven/bin/mvn 1
+
+      - name: Check versions
+        run: |
+          java -version
+          javac -version
+          mvn -version
 
       - name: Test with Maven
         run: mvn -B verify --file pom.xml