Revert "Bump Maven to 4.0.0-rc-3"

Maven 4 requires Java 17. We still need to build the library against
Java 11.

This reverts commit eee9904.

Author: acogoluegnes

.mvn/wrapper/maven-wrapper.properties

@@ -14,6 +14,5 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-wrapperVersion=3.3.2
-distributionType=only-script
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/4.0.0-rc-3/apache-maven-4.0.0-rc-3-bin.zip
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar