Set maven.compiler.release

Author: dwalluck

pom.xml

@@ -42,6 +42,7 @@
     <projectOwner>Red Hat, Inc.</projectOwner>
     <projectEmail>https://github.com/Commonjava/http-testserver</projectEmail>
     <javaVersion>11</javaVersion>
+    <maven.compiler.release>${javaVersion}</maven.compiler.release>
     <undertowVersion>2.3.24.Final</undertowVersion>
     <quarkus.version>3.6.9</quarkus.version>
   </properties>