Geo - Include the functionality of :delete in :geo_fdw tag

See merge request gitlab-org/gitlab-ee!11163

Provide a new gitlab:seed:issues task

See merge request gitlab-org/gitlab-ce!27454

Provide new gitlab:seed:issues and gitlab:seed:insights:issues tasks

Closes #11199

See merge request gitlab-org/gitlab-ee!11120

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Merge branch '11274-the-geo-db-test-prepare-rake-task-is-broken-after-upgrade-to-rails-5-1' into 'master'

Use #load_schema instead instead of #load_schema_for

Closes #11274

See merge request gitlab-org/gitlab-ee!11430

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Update proofreader.md - add simplified chinese proofreader

See merge request gitlab-org/gitlab-ce!27568

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Disable transactions via :delete method because a foreign table
can't see changes inside a transaction of a different connection.

Rails 5.1 removed the deprecated method #load_schema_for in favor
of #load_schema.

Support negative matches

See merge request gitlab-org/gitlab-ce!27510

Fix issue with list label text color

Closes #47584

See merge request gitlab-org/gitlab-ce!26794

Add feature flag to disable LFS check

Closes #60588

See merge request gitlab-org/gitlab-ce!27451

This adds support for != and !~ operators
giving more flexibility in comparing values

Add whitespace for list so it renders

See merge request gitlab-org/gitlab-ce!27564

Upgrade Rails to 5.1

See merge request gitlab-org/gitlab-ce!27480

Add newly available badge

See merge request gitlab-org/gitlab-ee!11401