Integrate Grizzly 2.4.0-beta12. (#22047)

Author: rlubke

nucleus/pom.xml

@@ -129,7 +129,7 @@
         <javax.validation.osgi.version.lowerbound>1.1.0</javax.validation.osgi.version.lowerbound>
         <management-api.version>1.1-rev-1</management-api.version>
         <servlet-api.version>4.0.0-b07</servlet-api.version>
-        <grizzly.version>2.4.0-beta11</grizzly.version>
+        <grizzly.version>2.4.0-beta12</grizzly.version>
         <grizzly.npn.version>1.7</grizzly.npn.version>
         <jboss.logging.annotation.version>2.0.1.Final</jboss.logging.annotation.version>
         <javax.validation.version>2.0.0.CR3</javax.validation.version>