HBASE-25728 [hbase-thirdparty] Upgrade Netty library to >= 4.1.60 due…

… to security vulnerability CVE-2021-21295 (#48)

Signed-off-by: Jan Hentschel <jan.hentschel@ultratendency.com>

pom.xml

@@ -130,7 +130,7 @@
     <maven.min.version>3.3.3</maven.min.version>
     <rename.offset>org.apache.hbase.thirdparty</rename.offset>
     <protobuf.version>3.13.0</protobuf.version>
-    <netty.version>4.1.53.Final</netty.version>
+    <netty.version>4.1.63.Final</netty.version>
     <guava.version>30.0-jre</guava.version>
     <commons-cli.version>1.4</commons-cli.version>
     <commons-collections.version>4.4</commons-collections.version>