Merge branch 'docs-exclude-meta-from-danger-changelog-check' into 'master'

Don't request changelog for MR with 'meta' label

See merge request gitlab-org/gitlab-ce!23556

danger/changelog/Dangerfile

@@ -2,7 +2,7 @@
 
 require 'yaml'
 
-NO_CHANGELOG_LABELS = %w[backstage Documentation QA test].freeze
+NO_CHANGELOG_LABELS = %w[backstage ci-build Documentation meta QA test].freeze
 SEE_DOC = "See [the documentation](https://docs.gitlab.com/ce/development/changelog.html).".freeze
 CREATE_CHANGELOG_MESSAGE = <<~MSG.freeze
 You can create one with: