Update fluent-plugin-record-modifier (#1579)

Update fluent-plugin-record-modifier to 2.2.0

Signed-off-by: BeeeeeMo <[email protected]>

Author: BeeeeeMo

templates/Gemfile.erb

@@ -14,7 +14,7 @@ gem "fluent-plugin-concat", "~> 2.5.0"
 gem "fluent-plugin-grok-parser", "~> 2.6.2"
 gem "fluent-plugin-prometheus", "~> 2.1.0"
 gem 'fluent-plugin-json-in-json-2', ">= 1.0.2"
-gem "fluent-plugin-record-modifier", "~> 2.1.0"
+gem "fluent-plugin-record-modifier", "~> 2.2.0"
 gem "fluent-plugin-detect-exceptions", "~> 0.0.13"
 gem "fluent-plugin-rewrite-tag-filter", "~> 2.4.0"
 gem "fluent-plugin-parser-cri", "~> 0.1.0"