Resolves rubocop offense Rails/WhereNot

.rubocop_todo.yml

app/finders/ci/pipelines_finder.rb

app/models/ci/build.rb

app/models/ci/stage.rb

app/models/clusters/clusters_hierarchy.rb

app/models/environment.rb

app/models/project.rb

app/models/user.rb

app/services/todos/destroy/base_service.rb

app/services/todos/destroy/private_features_service.rb

changelogs/unreleased/pl-rubocop-todo-where-not.yml

...06102120_backfill_deployment_clusters_from_deployments.rb

...00811130433_create_missing_vulnerabilities_issue_links.rb

ee/app/models/elastic/reindexing_task.rb

ee/lib/ee/gitlab/usage_data.rb

.../migrations/nullify_feature_flag_plaintext_tokens_spec.rb

ee/spec/models/ee/description_version_spec.rb

...round_migration/populate_merge_request_assignees_table.rb

...round_migration/wrongfully_confirmed_email_unconfirmer.rb

lib/gitlab/import_export/uploads_manager.rb