Integrate Grizzly 2.4.0-beta2 (#21749)

Author: rlubke

main/nucleus/pom.xml

@@ -145,7 +145,7 @@
         <stax-api.version>1.0-2</stax-api.version>
         <management-api.version>1.1-rev-1</management-api.version>
         <servlet-api.version>4.0.0-b05</servlet-api.version>
-        <grizzly.version>2.4.0-beta1</grizzly.version>
+        <grizzly.version>2.4.0-beta2</grizzly.version>
         <grizzly.npn.version>1.7</grizzly.npn.version>
         <saaj-api.version>1.3.4</saaj-api.version>
         <hk2.version>2.5.0-b33</hk2.version>