HBASE-26561 [hbase-operator-tools] Upgrade log4j2 to 2.15.0 to address CVE-2021-44228 (#95)

Signed-off-by: Pankaj Kumar <pankajkumar@apache.org>
Signed-off-by: Duo Zhang <zhangduo@apache.org>

Author: YutSean

hbase-hbck2/pom.xml

@@ -32,7 +32,7 @@
   <description>HBCK for HBase 2+</description>
   <properties>
     <hbase-thirdparty.version>2.2.1</hbase-thirdparty.version>
-    <log4j2.version>2.11.1</log4j2.version>
+    <log4j2.version>2.15.0</log4j2.version>
   </properties>
 
   <build>

hbase-tools/pom.xml

@@ -35,7 +35,7 @@
     <description>Utility Maintenance tools for HBase 2+</description>
     <properties>
         <hbase-thirdparty.version>2.2.1</hbase-thirdparty.version>
-        <log4j2.version>2.11.1</log4j2.version>
+        <log4j2.version>2.15.0</log4j2.version>
     </properties>
 
     <dependencies>