Merge pull request #2801 from hazendaz/master

[mvn] Bump to maven 3.9.0 and change maven.config to 3.9/4.x style

Author: hazendaz

.mvn/maven.config

@@ -1 +1,2 @@
--Daether.checksums.algorithms=SHA-512,SHA-256,SHA-1,MD5 --no-transfer-progress
+-Daether.checksums.algorithms=SHA-512,SHA-256,SHA-1,MD5
+--no-transfer-progress

.mvn/wrapper/maven-wrapper.properties

@@ -14,5 +14,5 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.7/apache-maven-3.8.7-bin.zip
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.0/apache-maven-3.9.0-bin.zip
 wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.1/maven-wrapper-3.1.1.jar