ZOOKEEPER-4414: Upgrade to Netty 4.1.70 on branch 3.5

Author: Frederiko Costa <frederiko.costa@workday.com>

Reviewers: maoling <maoling@apache.org>

Closes #1776 from frederiko/zookeeper-4414_netty_4.1.70_branch_3.5 and squashes the following commits:

7108f81d3 [Frederiko Costa] Rename license files
04234e757 [Frederiko Costa] Backport ZOOKEEPER-4414 to branch-3.5

10 files changed, 2 insertions, 2 deletions

diff --git a/build.xml b/build.xml
index 820eb7d78..beb77442e 100644
--- a/build.xml
+++ b/build.xml
@@ -37,7 +37,7 @@ xmlns:cs="antlib:com.puppycrawl.tools.checkstyle.ant">
 
     <property name="audience-annotations.version" value="0.5.0" />
 
-    <property name="netty.version" value="4.1.63.Final"/>
+    <property name="netty.version" value="4.1.70.Final"/>
 
     <property name="junit.version" value="4.12"/>
     <property name="mockito.version" value="2.27.0"/>
diff --git a/pom.xml b/pom.xml
index 0e32f6fc4..c6ddbd470 100755
--- a/pom.xml
+++ b/pom.xml
@@ -298,7 +298,7 @@
     <hamcrest.version>1.3</hamcrest.version>
     <commons-cli.version>1.2</commons-cli.version>
     <jetty.version>9.4.43.v20210629</jetty.version>
-    <netty.version>4.1.63.Final</netty.version>
+    <netty.version>4.1.70.Final</netty.version>
     <jackson.version>2.10.5.1</jackson.version>
     <json.version>1.1.1</json.version>
     <jline.version>2.14.6</jline.version>
diff --git a/zookeeper-server/src/main/resources/lib/netty-buffer-4.1.63.Final.LICENSE.txt b/zookeeper-server/src/main/resources/lib/netty-buffer-4.1.70.Final.LICENSE.txt
index 6279e5206..6279e5206 100644
--- a/zookeeper-server/src/main/resources/lib/netty-buffer-4.1.63.Final.LICENSE.txt
+++ b/zookeeper-server/src/main/resources/lib/netty-buffer-4.1.70.Final.LICENSE.txt
diff --git a/zookeeper-server/src/main/resources/lib/netty-codec-4.1.63.Final.LICENSE.txt b/zookeeper-server/src/main/resources/lib/netty-codec-4.1.70.Final.LICENSE.txt
index 6279e5206..6279e5206 100644
--- a/zookeeper-server/src/main/resources/lib/netty-codec-4.1.63.Final.LICENSE.txt
+++ b/zookeeper-server/src/main/resources/lib/netty-codec-4.1.70.Final.LICENSE.txt
diff --git a/zookeeper-server/src/main/resources/lib/netty-common-4.1.63.Final.LICENSE.txt b/zookeeper-server/src/main/resources/lib/netty-common-4.1.70.Final.LICENSE.txt
index 6279e5206..6279e5206 100644
--- a/zookeeper-server/src/main/resources/lib/netty-common-4.1.63.Final.LICENSE.txt
+++ b/zookeeper-server/src/main/resources/lib/netty-common-4.1.70.Final.LICENSE.txt
diff --git a/zookeeper-server/src/main/resources/lib/netty-handler-4.1.63.Final.LICENSE.txt b/zookeeper-server/src/main/resources/lib/netty-handler-4.1.70.Final.LICENSE.txt
index 6279e5206..6279e5206 100644
--- a/zookeeper-server/src/main/resources/lib/netty-handler-4.1.63.Final.LICENSE.txt
+++ b/zookeeper-server/src/main/resources/lib/netty-handler-4.1.70.Final.LICENSE.txt
diff --git a/zookeeper-server/src/main/resources/lib/netty-resolver-4.1.63.Final.LICENSE.txt b/zookeeper-server/src/main/resources/lib/netty-resolver-4.1.70.Final.LICENSE.txt
index 6279e5206..6279e5206 100644
--- a/zookeeper-server/src/main/resources/lib/netty-resolver-4.1.63.Final.LICENSE.txt
+++ b/zookeeper-server/src/main/resources/lib/netty-resolver-4.1.70.Final.LICENSE.txt
diff --git a/zookeeper-server/src/main/resources/lib/netty-transport-4.1.63.Final.LICENSE.txt b/zookeeper-server/src/main/resources/lib/netty-transport-4.1.70.Final.LICENSE.txt
index 6279e5206..6279e5206 100644
--- a/zookeeper-server/src/main/resources/lib/netty-transport-4.1.63.Final.LICENSE.txt
+++ b/zookeeper-server/src/main/resources/lib/netty-transport-4.1.70.Final.LICENSE.txt
diff --git a/zookeeper-server/src/main/resources/lib/netty-transport-native-epoll-4.1.63.Final.LICENSE.txt b/zookeeper-server/src/main/resources/lib/netty-transport-native-epoll-4.1.70.Final.LICENSE.txt
index 6279e5206..6279e5206 100644
--- a/zookeeper-server/src/main/resources/lib/netty-transport-native-epoll-4.1.63.Final.LICENSE.txt
+++ b/zookeeper-server/src/main/resources/lib/netty-transport-native-epoll-4.1.70.Final.LICENSE.txt
diff --git a/zookeeper-server/src/main/resources/lib/netty-transport-native-unix-common-4.1.63.Final.LICENSE.txt b/zookeeper-server/src/main/resources/lib/netty-transport-native-unix-common-4.1.70.Final.LICENSE.txt
index 6279e5206..6279e5206 100644
--- a/zookeeper-server/src/main/resources/lib/netty-transport-native-unix-common-4.1.63.Final.LICENSE.txt
+++ b/zookeeper-server/src/main/resources/lib/netty-transport-native-unix-common-4.1.70.Final.LICENSE.txt