updated rexml version to 3.3.4 to handle security vulnerability

Author: jayamala17

Gemfile

@@ -7,7 +7,7 @@ gem "faraday", "~> 2.9"
 gem "faraday-retry", "~> 2.2"
 gem "mysql2", "~> 0.5.6"
 gem "prometheus-client", "~> 4.2.2"
-gem "rexml", "~> 3.3.2"
+gem "rexml", "~> 3.3.4"
 gem "semantic_logger", "~> 4.15"
 gem "sequel", "~> 5.77"
 gem "tty-command", "~> 0.10.1"

Gemfile.lock

@@ -78,7 +78,7 @@ DEPENDENCIES
   mysql2 (~> 0.5.6)
   prometheus-client (~> 4.2.2)
   rake (~> 13.1)
-  rexml (~> 3.3.2)
+  rexml (~> 3.3.4)
   semantic_logger (~> 4.15)
   sequel (~> 5.77)
   sftp!