Port of mk-fix-git-over-http-rejections to EE

See merge request !2062

Add push events to Geo event log

Closes #2384

See merge request !1976

Improve “How to go back to using the `authorized_keys` file” section in docs

See merge request !2076

Improve form spec (EE)

See merge request !2067

Find a user by email from LDAP

Closes gitlab-ce#22924 and #2522

See merge request !2003

Add option to disable writing to `authorized_keys` file

Closes #1631

See merge request !2004

Fix a failing spec in spec/features/projects/ee/geo_clone_instructions_spec.rb

Closes #2605

See merge request !2070

Check if database_geo.yml exist before setting the tracking DB config

Closes #2603

See merge request !2071

Allow to use cross project pipelines

Closes gitlab-ce#30716

See merge request !2017

Fix spec for Gitlab::EtagCaching::Router

See merge request !2065

Related issues [BE]

Closes #2001

See merge request !1719

Without this change, `authorized_keys_enabled` is unchecked when it is nil, even if it should be checked by default.

[Elasticsearch] Improve code search for camel case

Closes #2003

See merge request !2054

Update testing.md `# Frontend Testing` to include integration spec for edge cases

See merge request !2055