Merge branch 'create-a-productivity-improvement-issue-template' into 'master'

Add a 'Productivity Improvement.md' issue template

See merge request gitlab-org/gitlab!20794

.gitlab/issue_templates/Productivity Improvement.md

+## What is the productivity problem to solve?
+
+<!--
+Please describe the productivity problem that needs to be solved backed by charts from
+https://about.gitlab.com/handbook/engineering/quality/engineering-productivity-team/#engineering-productivity-team-metrics.
+-->
+
+### Problem identification checklist
+
+- [ ] The root cause of the problem is identified.
+- [ ] The surface of the problem is as small as possible.
+
+## What are the potential solutions?
+
+<!--
+Please provide potential solutions here. Example solutions could be:
+
+- Dogfood a feature.
+- Refactor/improve some workflow code.
+- Throw more money at the problem.
+
+Please provide pros/cons and a weight estimate for each solution.
+-->
+
+- [ ] All potential solutions are listed.
+- [ ] A solution has been chosen for the first iteration: `PUT THE CHOSEN SOLUTION HERE`
+
+## Who and when will the solution be implemented?
+
+<!--
+For history reason, please list the person that will implement the solution and
+the planned milestone/date.
+-->
+
+## Verify that the solution has improved the situation
+
+<!--
+Ideally, looking at the charts from the first part, we should see an improvement
+after the implementation is merged/deployed/released.
+-->
+
+- [ ] The solution improved the situation.
+  - If yes, check this box and close the issue. Well done! :tada:
+  - Otherwise, create a new "Productivity Improvement" issue. You can re-use the description from this issue, but obviously another solution should be chosen this time.
+
+/label ~"Engineering Productivity" ~meta
+/cc @gl-quality/eng-prod