Update fluent-plugin-kubernetes_metadata_filter to 2.11.1 (#10)

* Update fluent-plugin-kubernetes_metadata_filter to 2.11.1

To be compatible with BoundServiceAccountTokenVolume feature introduced in kubernetes 1.21.

More details:
* fluent/fluentd#3757
* https://kubernetes.io/docs/reference/access-authn-authz/service-accounts-admin/#bound-service-account-token-volume
* https://docs.aws.amazon.com/eks/latest/userguide/kubernetes-versions.html#kubernetes-1.21

* Update other gems

* Update Gemfile

Co-authored-by: André Bauer <monotek@users.noreply.github.com>

Gemfile

@@ -1,13 +1,13 @@
 source 'https://rubygems.org'
 
-gem 'activesupport', '7.0.2.3'
+gem 'activesupport', '7.0.3'
 gem 'elasticsearch-xpack', '7.17.1'
 gem 'fluentd', '1.14.6'
 gem 'fluent-plugin-concat', '2.5.0'
 gem 'fluent-plugin-detect-exceptions', '0.0.14'
-gem 'fluent-plugin-elasticsearch', '5.2.2'
-gem 'fluent-plugin-kubernetes_metadata_filter', '2.10.0'
+gem 'fluent-plugin-elasticsearch', '5.2.3'
+gem 'fluent-plugin-kubernetes_metadata_filter', '2.11.1'
 gem 'fluent-plugin-multi-format-parser', '1.0.0'
-gem 'fluent-plugin-prometheus', '2.0.2'
+gem 'fluent-plugin-prometheus', '2.0.3'
 gem 'fluent-plugin-systemd', '1.0.5'
-gem 'oj', '3.13.11'
+gem 'oj', '3.13.15'