Fixes graphql project stats

Closes #63275

See merge request gitlab-org/gitlab-ce!29708

Add the missing check on GraphQL API for project statistics

Expose comments on Noteables in GraphQL

Closes #62825

See merge request gitlab-org/gitlab-ce!29212

Update default CI image to use node@12

See merge request gitlab-org/gitlab-ce!29703

Renumber a new UserCallout enum for EE compatibility

Closes gitlab-ee#12173

See merge request gitlab-org/gitlab-ce!29701

Update dependency @gitlab/svgs to ^1.65.0

See merge request gitlab-org/gitlab-ce!29697

EE migration port: add app-wide LDAP membership lock field

See merge request gitlab-org/gitlab-ce!29302

Document CI variable LM_PYTHON_VERSION

See merge request gitlab-org/gitlab-ce!29667

Show how one can switch to Python 3.5.

Add which tools is used by License Management  project

See merge request gitlab-org/gitlab-ce!29610

Add link to default Helm chart

See merge request gitlab-org/gitlab-ce!29652

Add structure to admin area page

See merge request gitlab-org/gitlab-ce!29105

Also slight edit and spelling correction

Update dependency @gitlab/eslint-plugin-i18n to ^1.1.0

See merge request gitlab-org/gitlab-ce!29630

Cross link to MR approvals docs

See merge request gitlab-org/gitlab-ce!29636

Update to node@12

See merge request gitlab-org/gitlab-ce!29659

Update CODEOWNERS to add mikelewis for doc path

See merge request gitlab-org/gitlab-ce!29565

Resolve "Embed Zoom Call in Issue MVC"

Closes #62966

See merge request gitlab-org/gitlab-ce!29454

Specify a dropdown name for dashboards

See merge request gitlab-org/gitlab-ce!29343

Added diff suggestion popover

Closes #56523

See merge request gitlab-org/gitlab-ce!29473

referring environment variables

See merge request gitlab-org/gitlab-ce!29676

Upgrade gitlab-ui and migrate gl-pagination

Closes #62097

See merge request gitlab-org/gitlab-ce!29555

- Upgraded gitlab-ui to v4.0.0
- Migrated pagination_links to reflect breaking changes introduced
in gitlab-ui v4.0.0

Detect links containing zoom.us followed by j, s, or my
Add link below Issue title that links to Zoom meeting

Master i18n

See merge request gitlab-org/gitlab-ce!29671

[skip ci]

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/56523

This exposes `Note`s on Issues & MergeRequests using a
`Types::Notes::NoteableType` in GraphQL.

Exposing notes on a new type can be done by implementing the
`NoteableType` interface on the type. The presented object should
be a `Noteable`.

Docs: Add note clarifying the free status of pull mirroring

See merge request gitlab-org/gitlab-ce!29580

Fix a broken link in PROCESS.md

See merge request gitlab-org/gitlab-ce!29607

This updates our build images to use node@12. We are also adding a
sentence to the from-source installation that while we require a minimum
version of node@8, we also recommend node@12. Last but not least, we
change the version of node in the .nvmrc so that developers using nvm
can automatically use node@12 with the project