Enforce Java version 11 for build

Author: vy

pom.xml

@@ -307,7 +307,7 @@
     <maven.compiler.release>8</maven.compiler.release>
     <maven.compiler.target>${maven.compiler.release}</maven.compiler.target>
     <!-- JDK version of the main Maven process (used in ASF parent POM) -->
-    <minimalJavaBuildVersion>[11, )</minimalJavaBuildVersion>
+    <minimalJavaBuildVersion>[11,12)</minimalJavaBuildVersion>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <!-- Fixed `project.build.outputTimestamp` is required for reproducible builds: https://maven.apache.org/guides/mini/guide-reproducible-builds.html -->
     <project.build.outputTimestamp>1676697577</project.build.outputTimestamp>