Upgrade version.maven 3.8.5 -> 3.9.3

See:
- https://maven.apache.org/release-notes-all.html

pom.xml

@@ -105,7 +105,7 @@
         <version.immutables>2.8.8</version.immutables>
         <version.jdk>11</version.jdk>
         <version.jooq>3.15.4</version.jooq>
-        <version.maven>3.8.5</version.maven>
+        <version.maven>3.9.3</version.maven>
         <version.maven-plugin-tools>3.6.0</version.maven-plugin-tools>
         <version.mockito>4.6.1</version.mockito>
         <version.nullaway>0.9.8</version.nullaway>