Merge pull request #3433 from aws/dongie/update-netty

Update Netty version

Author: dagnir

.changes/next-release/feature-NettyNIOHTTPClient-d17515b.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "Netty NIO HTTP Client",
+    "contributor": "",
+    "description": "Update Netty version to `4.1.115.Final`."
+}

pom.xml

@@ -112,7 +112,7 @@
         <equalsverifier.version>3.15.1</equalsverifier.version>
         <!-- Update netty-open-ssl-version accordingly whenever we update netty version-->
         <!-- https://github.com/netty/netty/blob/4.1/pom.xml search "tcnative.version" -->
-        <netty.version>4.1.114.Final</netty.version>
+        <netty.version>4.1.115.Final</netty.version>
         <unitils.version>3.4.6</unitils.version>
         <xmlunit.version>1.3</xmlunit.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>