Realign 3 docs that diverged between ce/ee

See merge request gitlab-org/gitlab-ce!32513

Adjust table entries in quick actions doc

Closes #66256

See merge request gitlab-org/gitlab-ce!32038

Also fix links to renamed headers and moved content

Crop, trim and  compress animated gifs

See merge request gitlab-org/gitlab-ce!32511

Convert 'code quality' GIF to PNG

See merge request gitlab-org/gitlab-ce!32510

Image converted to reduce file size.

Update GitLab Workhorse to v8.10.0

See merge request gitlab-org/gitlab-ce!32501

Replaced image with smaller version

See merge request gitlab-org/gitlab-ce!32509

The size of this image was reduced to:

1. Reduce its storage size.
2. Optimze for faster loading in browser.

Update gitlab-shell to v9.4.2

See merge request gitlab-org/gitlab-ce!32505

Fix 500 error in CI lint when included templates are an array

Closes #66605

See merge request gitlab-org/gitlab-ce!32232

Documentation: Describe where to set "Size limit per repository" for projects and groups

See merge request gitlab-org/gitlab-ce!31856

Change markdownlint wildcard format

See merge request gitlab-org/gitlab-ce!32379

Improve document format, putting parameters in a table

See merge request gitlab-org/gitlab-ce!31905

Improve RAW reading, consistency in api uri

See merge request gitlab-org/gitlab-ce!31941

Reduce amount of property definitions in ChatNotificationService

See merge request gitlab-org/gitlab-ee!15793

Before this commit we redefined properties for supported events on each
new instance of ChatNotificationService during "runtime".

This commit defines the properties only once during "compile time".

Move generic k8s services out of GCP namespace

See merge request gitlab-org/gitlab-ce!32310

Remove :kubernetes_namespace_per_environment feature flag

See merge request gitlab-org/gitlab-ce!32140

Avoid calling freeze on already frozen strings in app/models

See merge request gitlab-org/gitlab-ce!32499

Avoid calling freeze on already frozen strings in app/controllers

See merge request gitlab-org/gitlab-ce!32498