Update gems

This MR contains the following updates:

Package	Type	Update	Change
faraday	ironbank-rubygems	patch	1.7.0 -> 1.7.1
ffi	ironbank-rubygems	patch	1.15.3 -> 1.15.4
fluent-plugin-kubernetes_metadata_filter	ironbank-rubygems	minor	2.7.2 -> 2.8.0
fluent-plugin-kubernetes_metadata_filter		minor	~> 2.7.0 -> ~> 2.8.0
fluentd	ironbank-rubygems	minor	1.13.3 -> 1.14.0
fluentd		minor	1.13.3 -> 1.14.0
http_parser.rb	ironbank-rubygems	minor	0.7.0 -> 0.8.0
mime-types-data	ironbank-rubygems	patch	3.2021.0704 -> 3.2021.0901
oj	ironbank-rubygems	patch	3.13.2 -> 3.13.3
oj		patch	3.13.2 -> 3.13.3

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