Upload versioned designs through GraphQL

See merge request gitlab-org/gitlab-ee!10462

Extract health data configuration into a helper

See merge request gitlab-org/gitlab-ee!11715

Enable ee-specific-check for docs

Closes gitlab-ce#60854

See merge request gitlab-org/gitlab-ee!11490

Avoid links requiring permissions

Closes #59653

See merge request gitlab-org/gitlab-ce!27797

Init MR Popovers on system note mounted

Closes #60855

See merge request gitlab-org/gitlab-ce!27747

Fix Profiler to work with Rails 5.1

Closes #61051

See merge request gitlab-org/gitlab-ce!27774

Add gitaly session id & catfile-cache feature flag

See merge request gitlab-org/gitlab-ce!27472

Quarantine failing test

See merge request gitlab-org/gitlab-ce!27799

This allows uploading designs through GraphQL.

The mutation requires these arguments:

- `fullPath`: The path in which we can find the issue for creating
  designs
- `iid`: The iid of the issue in which to upload designs
- `files`: An array of files. We expect these to be in the format
  used by apollo-upload-client[0] which uses this spec[1] for
  multipart fileupload.

The middleware used for handling the multipart upload an translating
the variables is apollo_upload_server[2]

When a file is uploaded, the basename is used for creating a design,
when a design for the specified issue did not exist for the filename,
a new one is created. Otherwise the existing one is used.

When uploading a new file, a new version is created an linked to the
design being updated or created.

The files are stored in a repository that lives next to the project
repository with the path `@hashed/[hash]/[to]/[repo].design.git. The
files are not yet stored in LFS, but they should be.

0: https://github.com/jaydenseric/apollo-upload-client
1: https://github.com/jaydenseric/graphql-multipart-request-spec
2: https://github.com/jetruby/apollo_upload_server-ruby

Add email clarification

See merge request gitlab-org/gitlab-ce!27645

Add clarification on namespace creation

See merge request gitlab-org/gitlab-ce!27772

deploy board docs: correct "node" to "pod"

See merge request gitlab-org/gitlab-ee!11444

fix include example

See merge request gitlab-org/gitlab-ce!27571

Docs: Environments Documentation review

See merge request gitlab-org/gitlab-ce!27215

Docs: (EE Port) Environments Documentation review

See merge request gitlab-org/gitlab-ee!10710

Merge branch 'docs/60785-docs-feedback-masked-variables-is-not-clear-what-unescaped-characters-means' into 'master'

Clarify masked variables docs

Closes #60785

See merge request gitlab-org/gitlab-ce!27580

- Add note that must contain only letters, numbers, underscore
- Add example of escape characters
- Add regex used for validation

closes https://gitlab.com/gitlab-org/gitlab-ce/issues/60785

Resolve "Masked Variable still printed in log output on gitlab.com"

Closes #60945

See merge request gitlab-org/gitlab-ce!27768

Create dashboards endpoint & setup dashboard post-processing

Closes #60383

See merge request gitlab-org/gitlab-ce!27405

Ports gitlab-ce#27405 to EE + handling for PrometheusAlerts

See merge request gitlab-org/gitlab-ee!11141

Refactor quarantine helper

See merge request gitlab-org/gitlab-ce!27766