Bump Maven to 3.9.12 and wrapper to 3.3.4.

Signed-off-by: Vincent Potucek <vpotucek@me.com>

Fixes #8093

RELNOTES=n/a
PiperOrigin-RevId: 855276093

Author: Vincent Potucek

.mvn/wrapper/maven-wrapper.properties

@@ -14,8 +14,8 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
-wrapperVersion=3.3.2
+wrapperVersion=3.3.4
 distributionType=script
-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/3.3.2/maven-wrapper-3.3.2.jar
-distributionSha256Sum=4ec3f26fb1a692473aea0235c300bd20f0f9fe741947c82c1234cefd76ac3a3c
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.12/apache-maven-3.9.12-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.3.4/maven-wrapper-3.3.4.jar
+distributionSha256Sum=305773a68d6ddfd413df58c82b3f8050e89778e777f3a745c8e5b8cbea4018ef