More fixes of "String" and edit out a bracket

Closes #208846

See merge request gitlab-org/gitlab!26593

Extended the secrets part.

See merge request gitlab-org/gitlab!22881

Makes clear that secrets should be both created under k8s and
speficied in the yaml.

Clarify that $CI_COMMIT_REF_PROTECTED is an always present true/false value

See merge request gitlab-org/gitlab!26491

Add language declarations to code blocks

See merge request gitlab-org/gitlab!26547

Adding more language declarations to code blocks.

Fix spacing of codeblocks in various docs

See merge request gitlab-org/gitlab!26552

Set the default SSL cert path when invoking indexer

See merge request gitlab-org/gitlab!26036

Fix QA specs 500 error

Closes #208764

See merge request gitlab-org/gitlab!26598

Without proper spacing, codeblocks will not color
correctly, so this aligns all codeblocks with the
list items they are nested beneath

Docs: Add language declarations to code blocks

See merge request gitlab-org/gitlab!26628

Add yet more language declarations to code blocks.

Enable the dedicated Release page (by enabling the `release_show_page` feature flag)

See merge request gitlab-org/gitlab!26502

Docs: Move schedules file to `ci/pipelines` folder

See merge request gitlab-org/gitlab!25814

Quarantine test for reason of incubation

See merge request gitlab-org/gitlab!26614

Update integration docs - AWS Cognito

See merge request gitlab-org/gitlab!23909

Limited to OAuth2 OmniAuth integration.

Functionality was previously disabled, temporarily, during 12.8 It has been re-enabled for all instances of gitlab.com

Remove unnecessary Jira template test

See merge request gitlab-org/gitlab!26589

Optional custom icon in the OmniAuth login labels

Closes #17437

See merge request gitlab-org/gitlab!25744

docs: add membership_lock when creating groups

See merge request gitlab-org/gitlab!26488

Add comment about inter-gitaly calls

See merge request gitlab-org/gitlab!26574

Change toggle file to hide instead of remove

See merge request gitlab-org/gitlab!26181

https://gitlab.com/gitlab-org/gitlab/-/merge_requests/26181

Fix flaky user_manages_subscription_spec.rb

Closes #207835

See merge request gitlab-org/gitlab!26611

Activate Promethues integration for newly created projects with access to shared Promethues application

See merge request gitlab-org/gitlab!24676

It looks like the feature spec was attempting to click on the
subscription button before all the Ajax calls for the page had
loaded. As a result, the click did nothing, and the test failed.

To fix this, we should wait for outstanding requests to be ready before
attempting to click.

Closes https://gitlab.com/gitlab-org/gitlab/issues/207835

Update documentation about usage of Vuex

See merge request gitlab-org/gitlab!26580

Document retrying 'review-deploy' to keep a Review App longer

Closes #208962

See merge request gitlab-org/gitlab!26602

Remove unnecessary Redis deletes for broadcast messages

See merge request gitlab-org/gitlab!26541