Update installation and update instructions for 10.0

[ci skip]

See merge request !14135

Docs group mrs list view search bar

See merge request !14196

Reset all connection schema cache after migration tests

See merge request !14195

Make all the tooltips in the same direction on the commit info box

See merge request !14128

We might also want to consider reduce the number of
connections in the tests. However I just tried setting it to 1
and that doesn't seem enough for feature tests.

Replace the 'project/merge_requests/accept.feature' spinach test with an rspec analog

See merge request !14176

Replace 'project/wiki.feature' spinach test with an rspec analog

See merge request !13856

Add gitaly to patch update doc

Closes gitlab-ee#3389

See merge request !14184

Emoji was rendered as italic

Closes #31676

See merge request !13974

Replace 'project/group_links.feature' spinach test with an rspec analog

See merge request !14169

Document how to swap database tables.

See merge request !14183

Adds Event polyfill for IE

Closes #37633

See merge request !14159

Backport the EE signature of Gitlab::Workhorse#send_artifacts_entry

See merge request !14144

Expand filtered parameters to include `token`

See merge request !14174

Resolve Follow-up from Update Helm Chart docs from CE - docs

Closes #37647

See merge request !14166

Replace the 'profile/emails.feature' spinach test with an rspec analog

See merge request !14172

Replace the 'project/team_management.feature' spinach test with an rspec analog

See merge request !14173

Merge branch '37644-update-prometheus-metric-library-to-support-multiple-series-and-colors' into 'master'

Update Prometheus Metric Library to support multiple series and colors

Closes #37644

See merge request !14155

Read import sources from setting at first initialization

See merge request !14141

Fixed changes bar jumping on merge requests

Closes #37589

See merge request !14157

Rework how recent push events are retrieved

Closes #35990

See merge request !13995

Remove ignore rule for GpgSignature#valid_signature

See merge request !14050

Remove unused extra hr in preferences

Closes #37603

See merge request !14127

Reduce top and bottom margin on file viewer on mobile

See merge request !14114

Correctly associate ConvDev Index nav link with its controller

Closes #37583

See merge request !14124

Remove confidential toggle checkbox while editing issue inline

Closes #37454

See merge request !14142

Check for sidebar cookie instead of class when resizing window

Closes #37642

See merge request !14151