GitLab

Changelog: other
EE: true

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Contributes to https://gitlab.com/gitlab-org/gitlab/-/issues/239356

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Exclude Rails/IndexBy from `tooling/danger` as it's not available.

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Fix and enable `Layout/EmptyLinesAroundAttributeAccessor`

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Changelog: other

`Spec::Support::Helpers::KeyGeneratorHelper` was added in
857d0391 to generate RSA public key
in openssh format.
At that time we didn't have a gem in Gemfile to do so.

Later, we added `sshkey` gem that allows generating public keys.

Also, we used to have `SSHKeygen` class to generate RSA public keys
in openssh format for specs:

In https://gitlab.com/gitlab-org/gitlab/-/merge_requests/77424,
https://gitlab.com/gitlab-org/gitlab/-/merge_requests/78532
we started using `ssh_data` gem instead of `net-ssh`, `sshkey`,
`net-ssh`, `ed25519`, `bcrypt_pbkdf`, and `SSHKeygen`-class.

We can remove `Spec::Support::Helpers::KeyGeneratorHelper`
in favor of `ssh_data` gem too.

This reverts merge request !78911

Changelog: removed

This removes most of the things related to Sherlock.
Dependent gems and docs will be removed separately.

It encourages using `.find` instead of `select {...}.first`