With https://gitlab.com/gitlab-org/gitlab/merge_requests/17052 we
started saving and exposing squash commit sha for squash & fast-forward
merge requests but we do it even if the merge fails. This commit fixes
this and add tests to ensure we do update the column only if the merge
was successful.

Related to https://gitlab.com/gitlab-org/gitlab/issues/35709.

Implement Project subscriptions

See merge request gitlab-org/gitlab!18678

Adds a migration that creates the ci_subscriptions_projects table.

Expose epic descendant counts

See merge request gitlab-org/gitlab!19450

Add secure configuration screen frontend

See merge request gitlab-org/gitlab!19554

This commit adds a vue controller to render a configuration
page, which displays a list of secure features, their current
configuration status and links to relevant documentation.

Add section about the #database-lab channel to "Understanding EXPLAIN plans" docs

See merge request gitlab-org/gitlab!20014

Merge branch '34059-improve-process-documentation-for-adding-sentry-integration-by-recommending-creating-a-new' into 'master'

Instruct users to create a Sentry projects for each gitlab project.

See merge request gitlab-org/gitlab!20069

Update Package Implementation development docs

See merge request gitlab-org/gitlab!19718

Add additional details and guidelines for implementing a new
package manager using the existing structures and
logic along with suggested MRs

Enhance installation.md grammar

See merge request gitlab-org/gitlab!20068

Add gems for debugging via vscode and other IDEs

See merge request gitlab-org/gitlab!20018

Fix project clone dropdown button width

See merge request gitlab-org/gitlab!19551

Remove dead code: unused tick_formats.js file

See merge request gitlab-org/gitlab!20035

Added more specific License Compliance E2E settings tests

Closes gitlab-org/quality/testcases#139, gitlab-org/quality/testcases#138, and gitlab-org/quality/testcases#137

See merge request gitlab-org/gitlab!19831

Also adjusted page object functions and data selectors as needed.

Fix test that check mentions for XSS

See merge request gitlab-org/gitlab!20062

Add description standards to GraphQL styleguide

See merge request gitlab-org/gitlab!19909

The standards were decided in
https://gitlab.com/gitlab-org/gitlab/merge_requests/19233.

This adds these standards to our documentation.

Add vuex store for package list app

See merge request gitlab-org/gitlab!19711

- constants file
- actions
- mutations
- mutation types
- getters
- basic state
- tests
- pot files

Fix any-approver rule data for projects

See merge request gitlab-org/gitlab!18265

Currently there are records created with rule_type: 4
We need them with rule_type: 3 instead

Create a system note for new design discussions

See merge request gitlab-org/gitlab!19990

Edit cluster management project selection content

See merge request gitlab-org/gitlab!19923

Enable Environment Dashboard for Self Managed Instances

See merge request gitlab-org/gitlab!19838

Remove current_user from Feature check
Add default_enabled: true

When a new discussion is started on a design, create a system note.

https://gitlab.com/gitlab-org/gitlab/issues/11851

Increase PumaWorkerKiller memory limit for dev

Closes gitlab-development-kit#672

See merge request gitlab-org/gitlab!20039

Add file path parameter to preview markdown endpoint

Closes #32057

See merge request gitlab-org/gitlab!18899

Update RSpec helper methods to *_next_instance_of

See merge request gitlab-org/gitlab!19872

Introduce shared examples for billing plans specs

Closes #31936

See merge request gitlab-org/gitlab!18445

Query pod logs through Elastic Stack if installed

See merge request gitlab-org/gitlab!18961

Provide context about why a cherry pick or revert failed

Closes #33178

See merge request gitlab-org/gitlab!19518

Helm v2.16.1

See merge request gitlab-org/gitlab!19981