Update documentation for moved large table

- code moved

doc/development/database/strings_and_the_text_data_type.md

@@ -276,7 +276,7 @@ end
 
 ## Text limit constraints on large tables
 
-If you have to clean up a text column for a really [large table](https://gitlab.com/gitlab-org/gitlab/-/blob/master/rubocop/migration_helpers.rb#L12)
+If you have to clean up a text column for a really [large table](https://gitlab.com/gitlab-org/gitlab/-/blob/master/rubocop/rubocop-migrations.yml#L3)
 (for example, the `artifacts` in `ci_builds`), your background migration will go on for a while and
 it will need an additional [background migration cleaning up](../background_migrations.md#cleaning-up)
 in the release after adding the data migration.

doc/development/database_review.md

@@ -81,9 +81,9 @@ the following preparations into account.
   - Ensure the down method reverts the changes in `db/structure.sql`.
   - Update the migration output whenever you modify the migrations during the review process.
 - Add tests for the migration in `spec/migrations` if necessary. See [Testing Rails migrations at GitLab](testing_guide/testing_migrations_guide.md) for more details.
-- When [high-traffic](https://gitlab.com/gitlab-org/gitlab/-/blob/master/rubocop/migration_helpers.rb#L12) tables are involved in the migration, use the [`with_lock_retries`](migration_style_guide.md#retry-mechanism-when-acquiring-database-locks) helper method. Review the relevant [examples in our documentation](migration_style_guide.md#examples) for use cases and solutions.
+- When [high-traffic](https://gitlab.com/gitlab-org/gitlab/-/blob/master/rubocop/rubocop-migrations.yml#L3) tables are involved in the migration, use the [`with_lock_retries`](migration_style_guide.md#retry-mechanism-when-acquiring-database-locks) helper method. Review the relevant [examples in our documentation](migration_style_guide.md#examples) for use cases and solutions.
 - Ensure RuboCop checks are not disabled unless there's a valid reason to.
-- When adding an index to a [large table](https://gitlab.com/gitlab-org/gitlab/-/blob/master/rubocop/migration_helpers.rb#L9),
+- When adding an index to a [large table](https://gitlab.com/gitlab-org/gitlab/-/blob/master/rubocop/rubocop-migrations.yml#L3),
 test its execution using `CREATE INDEX CONCURRENTLY` in the `#database-lab` Slack channel and add the execution time to the MR description:
   - Execution time largely varies between `#database-lab` and GitLab.com, but an elevated execution time from `#database-lab`
     can give a hint that the execution on GitLab.com will also be considerably high.

doc/development/migration_style_guide.md

@@ -569,7 +569,7 @@ has been deprecated and will be removed in a later release.
 
 NOTE: **Note:**
 If a backport adding a column with a default value is needed for %12.9 or earlier versions,
-it should use `add_column_with_default` helper. If a [large table](https://gitlab.com/gitlab-org/gitlab/-/blob/master/rubocop/migration_helpers.rb#L12)
+it should use `add_column_with_default` helper. If a [large table](https://gitlab.com/gitlab-org/gitlab/-/blob/master/rubocop/rubocop-migrations.yml#L3)
 is involved, backporting to %12.9 is contraindicated.
 
 ## Changing the column default

doc/development/what_requires_downtime.md

@@ -130,7 +130,7 @@ class CleanupUsersUpdatedAtRename < ActiveRecord::Migration[4.2]
 end
 ```
 
-NOTE: **Note:** If you're renaming a [large table](https://gitlab.com/gitlab-org/gitlab/-/blob/master/rubocop/migration_helpers.rb#L9), please carefully consider the state when the first migration has run but the second cleanup migration hasn't been run yet.
+NOTE: **Note:** If you're renaming a [large table](https://gitlab.com/gitlab-org/gitlab/-/blob/master/rubocop/rubocop-migrations.yml#L3), please carefully consider the state when the first migration has run but the second cleanup migration hasn't been run yet.
 With [Canary](https://about.gitlab.com/handbook/engineering/infrastructure/library/canary/) it is possible that the system runs in this state for a significant amount of time.
 
 ## Changing Column Constraints