Documentation revision: PAT notification emails

See merge request gitlab-org/gitlab!30974

Docs: fix spelling errors, update exceptions list

See merge request gitlab-org/gitlab!30908

Upgrade CI to use Chrome v81

See merge request gitlab-org/gitlab!30910

Restrict user autocompletes

See merge request gitlab-org/gitlab!30607

This reverts commit 8599c629.

Avoid some fields to be null in Snippet BlobViewer GraphQL definition

Closes #216338 and #216370

See merge request gitlab-org/gitlab!30927

Removed feature process section from page

See merge request gitlab-org/gitlab!30400

Fix more spelling errors when warranted, and update the exceptions
list when the words are real ones.

Create new reference architectures page

See merge request gitlab-org/gitlab!30781

- `availability/index.md` to `reference_architectures/index.md`
- `high_availability/index.md` to `reference_architectures/index.md`
- `scaling/index.md` to `reference_architectures/index.md`

Disable db:check-schema on gitlab-foss

Closes #216214

See merge request gitlab-org/gitlab!30999

Do not run the CI job db:check-schema on gitlab-foss.

Fixes https://gitlab.com/gitlab-org/gitlab/-/issues/216214

Indicate topics are optional

See merge request gitlab-org/gitlab!30264

Remove instances of deprecated Snippet code calls

See merge request gitlab-org/gitlab!30739

Docs for container registry on <12.5 or no LE

See merge request gitlab-org/gitlab!28716

Docs for Omnibus container registry assume LetsEncrypt and 12.5+

Merge branch '210232-select-the-first-option-if-there-is-only-one-metric-option-on-alerts-dropdown' into 'master'

Resolve "Alerts dropdown should select the first option if only one metric is present"

See merge request gitlab-org/gitlab!29857

Update GitLab UI/SVG

See merge request gitlab-org/gitlab!30955

Chrome v73 was released in March 2019, so let's update our tests to
ensure we're testing against a current browser.

Cleanup OAuth2 links between related pages

See merge request gitlab-org/gitlab!30924

Add GitLab Pages log location to log system

See merge request gitlab-org/gitlab!30868

Update wording around GitLab.com upload limits

Closes gitlab-com/gl-infra/infrastructure#9997

See merge request gitlab-org/gitlab!30833

Unify spelling of "Status Page" in docs

See merge request gitlab-org/gitlab!30914

Update WAF logs link

See merge request gitlab-org/gitlab!30912

Add praefect replicas rake task to praefect docs

Closes gitaly#2678

See merge request gitlab-org/gitlab!30889

Change placeholder in search input for Analytics features

Closes #214301

See merge request gitlab-org/gitlab!29858

Docs: Include a link to charts garbage collection

See merge request gitlab-org/gitlab!30789

Add a number of missing logs

See merge request gitlab-org/gitlab!30799

Update minikube commands for Helm 3

See merge request gitlab-org/gitlab!30788