Update Netty to 4.1.126. (#6398)

Co-authored-by: Alex Woods <alexwoo@amazon.com>

Author: mrdziuban

.changes/next-release/feature-AWSSDKforJavav2-5101e72.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "AWS SDK for Java v2",
+    "contributor": "mrdziuban",
+    "description": "Update Netty to 4.1.126"
+}

pom.xml

@@ -116,7 +116,7 @@
         <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>4.1.124.Final</netty.version>
+        <netty.version>4.1.126.Final</netty.version>
         <unitils.version>3.4.6</unitils.version>
         <xmlunit.version>1.3</xmlunit.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -141,7 +141,7 @@
         <jimfs.version>1.1</jimfs.version>
         <testng.version>7.1.0</testng.version> <!-- TCK Tests -->
         <commons-lang.verson>2.6</commons-lang.verson>
-        <netty-open-ssl-version>2.0.72.Final</netty-open-ssl-version>
+        <netty-open-ssl-version>2.0.73.Final</netty-open-ssl-version>
         <dynamodb-local.version>1.25.0</dynamodb-local.version>
         <sqllite.version>1.0.392</sqllite.version>
         <blockhound.version>1.0.8.RELEASE</blockhound.version>