Fix time_frame for metrics definitions

What does this MR do and why?

Fix time_frame for metrics with unproper setup based on issue:

metrics

Monthly

https://gitlab.com/gitlab-org/gitlab/-/blob/master/config/metrics/counts_28d/20210929103010_p_ci_templates_implicit_jobs_deploy_monthly.yml#L12
https://gitlab.com/gitlab-org/gitlab/-/blob/master/config/metrics/counts_28d/20210929102736_p_ci_templates_implicit_jobs_deploy_latest_monthly.yml#L12
https://gitlab.com/gitlab-org/gitlab/-/blob/master/config/metrics/counts_28d/20210929102434_p_ci_templates_implicit_jobs_build_monthly.yml#L12
https://gitlab.com/gitlab-org/gitlab/-/blob/master/config/metrics/counts_28d/20210216183203_product_analytics_test_metrics_union.yml#L12
https://gitlab.com/gitlab-org/gitlab/-/blob/master/config/metrics/counts_28d/20210216183652_bitbucket_server.yml#L12
https://gitlab.com/gitlab-org/gitlab/-/blob/master/config/metrics/counts_28d/20210216183648_github.yml#L12
https://gitlab.com/gitlab-org/gitlab/-/blob/master/config/metrics/counts_28d/20210216183650_bitbucket.yml#L12

Weekly

https://gitlab.com/gitlab-org/gitlab/-/blob/master/config/metrics/counts_7d/20210514013545_i_code_review_user_resolve_conflict_weekly.yml#L12
https://gitlab.com/gitlab-org/gitlab/-/blob/master/config/metrics/counts_7d/20210216181347_g_project_management_issue_cross_referenced_weekly.yml#L12

All

https://gitlab.com/gitlab-org/gitlab/-/blob/master/config/metrics/counts_all/20210216174902_g_analytics_merge_request.yml#L12

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Related to #343321 (closed)