When an invalid project ID were supplied, the reply processor would
quietly fail with an error:

```
undefined method `full_path_slug' for nil:NilClass
```

This commit checks for a nil Project and ensures the proper exception is
thrown.

Changelog: fixed

Renamespace `MergeRequests::ResetApprovalsService` out of `EE`

See merge request gitlab-org/gitlab!62270

Update link to CI variable precedence

See merge request gitlab-org/gitlab!62334

Handle nil Content-Type in Service Desk emails

See merge request gitlab-org/gitlab!62408

Reorganized and edited Repository topic for CTRT

See merge request gitlab-org/gitlab!62346

Merge branch '331577-review-app-deployment-failed-crash-loop-on-nginx-ingress-controller' into 'master'

Resolve "Review app deployment failed - crash loop on nginx-ingress-controller"

See merge request gitlab-org/gitlab!62372

More edits to style in GitLab Flavored Markdown topic

See merge request gitlab-org/gitlab!62411

Move info to right page, and also images

See merge request gitlab-org/gitlab!62412

Remove data consistency delayed execution ff [RUN ALL RSPEC] [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!62374

Raise job rules without workflow warnings by default [RUN ALL RSPEC] [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!61945

The link we add to the .gitlab-ci.yml file of a repository when using
the Security Configuration tool needs to be updated.
Changelog: changed

Update GitLab Runner Helm Chart to 0.29.0/13.12.0

See merge request gitlab-org/gitlab!62217

Resolve "[DevOps Adoption] Add Codeowners to the adoption table (FE)"

See merge request gitlab-org/gitlab!62072

Use CI_API_V4_URL in package docs

See merge request gitlab-org/gitlab!62401

The codeowners feature is being added
to the Dev tab of the DevOps Adoption
table.

Changelog: changed

Correct button name to add k8s cluster [docs]

See merge request gitlab-org/gitlab!62116

Update the GitLab JH MR Review process

See merge request gitlab-org/gitlab!61630

Adds content to createCommit mutation

See merge request gitlab-org/gitlab!60938

Docs: Use $CI_API_V4_URL in Ruby gems Package Registry documentation

See merge request gitlab-org/gitlab!62333

https://gitlab.com/gitlab-org/gitlab/-/merge_requests/28865 changed
attachment handling in reply-by-email and Service Desk issues and
accidentally caused `Content-Type` to be a required field. If no
`Content-Type` message is provided, `Mail::Message` returns `nil`, and
the attachment handler would fail. We now handle this `nil` value
gracefully.

Closes https://gitlab.com/gitlab-org/gitlab/-/issues/331658

doc: Recommend binary type for encrypted attribute

See merge request gitlab-org/gitlab!61600

Document apdex thresholds for Puma and Sidekiq job execution

See merge request gitlab-org/gitlab!62198

Add note about order gotcha

See merge request gitlab-org/gitlab!62261

Update tip on how to use Kubectl

See merge request gitlab-org/gitlab!61601

Added intro to Markdown page

See merge request gitlab-org/gitlab!62402

Update ffi from 1.13.1 to 1.15.1

See merge request gitlab-org/gitlab!62207

Bump rails gem version to 6.0.3.7

See merge request gitlab-org/gitlab!62347

Changelog: security

Add and fix various things in issues page refactor

See merge request gitlab-org/gitlab!62087

Remove `gitaly.client_path` and fix config.toml

See merge request gitlab-org/gitlab!61987

Related to: https://gitlab.com/gitlab-org/gitlab/-/issues/327171

Prevent retried builds from being retried again [RUN ALL RSPEC] [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!62349