Add Update guide for 10.2

See merge request gitlab-org/gitlab-ce!15316

(cherry picked from commit cfd8c605)

b065a375 Add Update guide for 10.2
97056de8 Move markdown file to correct path

Update templates for 10.2

See merge request gitlab-org/gitlab-ce!15317

(cherry picked from commit 913c0bf5)

a2bf79c9 Update templates for 10.2

Update licenses for 10.2

See merge request gitlab-org/gitlab-ce!15318

(cherry picked from commit 820c646c)

874d876e Update licenses for 10.2

Add 10.1.2 security fixes to CHANGELOG on master

See merge request gitlab-org/gitlab-ce!15305

Fail when issuable_meta_data is called on an unlimited collection

Closes #39845

See merge request gitlab-org/gitlab-ce!15249
(cherry picked from commit 0c3877a4)

Github enterprise support importer

Closes #39931

See merge request gitlab-org/gitlab-ce!15281
(cherry picked from commit 1d7e2a96)

Fix issue 39935 : Add created_at and updated_at fields in MR payload

Closes #39935

See merge request gitlab-org/gitlab-ce!15274
(cherry picked from commit fec66bf7)

Migrate GitLab::Git::Wiki.update_page to Gitaly

Closes gitaly#700

See merge request gitlab-org/gitlab-ce!15268
(cherry picked from commit ce06415c)

Remove ineffective Vue service specs

See merge request gitlab-org/gitlab-ce!15277
(cherry picked from commit 14c0dc16)

Fix Error 500 when pushing LFS objects with a write deploy key

Closes #39467

See merge request gitlab-org/gitlab-ce!15039
(cherry picked from commit 07ab4ad6)

Added file storage documentation and updated hash storage one

See merge request gitlab-org/gitlab-ce!15269
(cherry picked from commit 9e294180)

Use Commit#notes and Note.for_commit_id when possible to make sure we use all indexes available to us

Closes #34509

See merge request gitlab-org/gitlab-ce!15253
(cherry picked from commit bf13746f)

Make a note of which files to check in after externalizing strings

See merge request gitlab-org/gitlab-ce!15207
(cherry picked from commit f6fb4785)

Resolve "Merge request widget - CI information has different margins"

Closes #38395

See merge request gitlab-org/gitlab-ce!15237
(cherry picked from commit baa64d59)

Fix test selection in Test::Integration::Mattermost

See merge request gitlab-org/gitlab-ce!15278
(cherry picked from commit 6f045671)

Rewrite the GitHub importer to perform work in parallel and greatly improve performance

Closes #33135, #38621, and #39361

See merge request gitlab-org/gitlab-ce!14731
(cherry picked from commit 92249f1a)

Added missing strings to prepare the tags page for internationalization

See merge request gitlab-org/gitlab-ce!15256
(cherry picked from commit 3c369ba1)

Add Internal QA specs to the pipeline

See merge request gitlab-org/gitlab-ce!15240
(cherry picked from commit 133a2886)

Change Sign Out route from a DELETE to a GET

Closes #39708

See merge request gitlab-org/gitlab-ce!15231
(cherry picked from commit b579cc76)

Cleanup tests

See merge request gitlab-org/gitlab-ce!15261

When deleting merged branches, ignore protected tags

Closes #39732

See merge request gitlab-org/gitlab-ce!15252

Free some reserved group routes

See merge request gitlab-org/gitlab-ce!15052

Make BackgroundTransaction#labels public

See merge request gitlab-org/gitlab-ce!15257

fix karma config file

See merge request gitlab-org/gitlab-ce!15263

Modals in UX guide

See merge request gitlab-org/gitlab-ce!14886

Adds typescript support in webpack. With Mike G.

See merge request gitlab-org/gitlab-ce!15264

Add note on registry restrictions on GitLab.com

See merge request gitlab-org/gitlab-ce!15174

Project with many branches can lock server running "git branch --contains XXX"

Closes #37824

See merge request gitlab-org/gitlab-ce!14812

Add Ingress to cluster applications section

See merge request gitlab-org/gitlab-ce!15185

Upgrade vendored templates for 10.2

See merge request gitlab-org/gitlab-ce!15259