Updated Fluentd gems

Author: carlosedp

images/fluentd-elasticsearch/Gemfile

@@ -1,11 +1,11 @@
 source 'https://rubygems.org'
 
-gem 'fluentd', '<=1.2.0'
+gem 'fluentd', '<=1.2.2'
 gem 'activesupport', '~>5.2.0'
-gem 'fluent-plugin-kubernetes_metadata_filter', '~>2.1.1'
-gem 'fluent-plugin-elasticsearch', '~>2.10.1'
-gem 'fluent-plugin-systemd', '~>1.0.0'
+gem 'fluent-plugin-kubernetes_metadata_filter', '~>2.1.2'
+gem 'fluent-plugin-elasticsearch', '~>2.10.4'
+gem 'fluent-plugin-systemd', '~>1.0.1'
 gem 'fluent-plugin-detect-exceptions', '~>0.0.11'
 gem 'fluent-plugin-prometheus', '~>1.0.1'
 gem 'fluent-plugin-multi-format-parser', '~>1.0.0'
-gem 'oj', '~>3.6.0'
+gem 'oj', '~>3.6.2'