TestFileFinder: Map rake tasks to its respective specs

.rubocop_todo/gitlab/namespaced_class.yml

.rubocop_todo/layout/argument_alignment.yml

.rubocop_todo/layout/line_length.yml

.rubocop_todo/rails/file_path.yml

.rubocop_todo/rspec/context_wording.yml

.rubocop_todo/rspec/expect_in_hook.yml

.rubocop_todo/rspec/missing_feature_category.yml

.rubocop_todo/style/percent_literal_delimiters.yml

scripts/verify-tff-mapping

spec/lib/gitlab/task_helpers_spec.rb

spec/tasks/cache_rake_spec.rb

spec/tasks/config_lint_rake_spec.rb

...ks/gitlab/db/decomposition/connection_status_rake_spec.rb

...tasks/gitlab/generate_sample_prometheus_data_rake_spec.rb

spec/tasks/gitlab/metrics_exporter_rake_spec.rb

spec/tasks/tokens_rake_spec.rb

tests.yml