Replace blocked label with workflow::blocked

Summary

To assist in reporting and reduce duplicate labels, we will be conslidating ~"blocked [deprecated in favor of workflow : : blocked]" and workflowblocked. To do this, we will need to rename both labels to reduce the amount of change to Org Boards and email notifications triggered by GitLab Bot.

Currently the workflowblocked label is used less than the ~"blocked [deprecated in favor of workflow : : blocked]" so we will rename ~"blocked [deprecated in favor of workflow : : blocked]" to workflowblocked and migrate the existing workflowblocked to the new label.

Type of Resource	workflowblocked Count	~"blocked [deprecated in favor of workflow : : blocked]" Count
Boards	10	16
Issues	23	164
MRs	3	63

Boards were counted by looking at group boards at the gitlab-org level: https://gitlab.com/api/v4/groups/gitlab-org/boards

Board List

• In dev / In review
• Health - Workflow
• Geo Kanban Build
• Monitor kick off - Workflow
• Plan Kanban
• 12.3 Package
• Team Planning Kanban
• Certify Kanban
• Miranda Fluharty
• Manage::Analytics::Product Process

Action items

• Triage automation: create or update the stage/group/categories in https://gitlab.com/gitlab-org/quality/triage-ops/blob/master/lib/devops_labels.rb.
• (If applicable) Dashboard creation: create or update the stage/group in https://gitlab.com/gitlab-org/gitlab-insights/blob/master/lib/gitlab_insights.rb.
• (If applicable) Label migration on existing issues and merge requests: apply the new label to opened & closed issues, and open & merged merge requests. => !238 (diffs)
• (If applicable) Archive the old label with renaming and adding "DEPRECATED" at the end of the label name.
• (If applicable) Delete the old dashboard views using the deprecated labels.
• Rename the existing labels based on the following rules
  • ~workflow::blocked -> ~workflow::blocked-migrate - temporary to free up scoped label
  • ~blocked [deprecated in favor of workflow : : blocked] -> `workflowblocked
• Announce that ~"blocked (deprecated) — use workflow : : blocked instead" will be deleted in favor of workflowblocked
  • Company call - Communicated on 8/14
  • #development
  • #product
• Delete the ~"blocked [deprecated in favor of workflow : : blocked]" label

/cc @gl-quality/eng-prod