Rename experimentation issue template

.gitlab/issue_templates/Experimentation.md → .gitlab/issue_templates/Experiment Implementation.md

-<!-- Title suggestion: Experiment: [description] -->
+<!-- Title suggestion: Experiment Implementation: [description] -->
 
 # Experiment Summary
 <!-- Quick rundown of what is being done -->

.gitlab/issue_templates/Experiment Successful Cleanup.md

@@ -16,6 +16,6 @@ The changes need to become an official part of the product.
 - [ ] Optional: Migrate experiment to a default enabled [feature flag](https://docs.gitlab.com/ee/development/feature_flags) for one milestone and add a changelog. Converting to a feature flag can be skipped at the ICs discretion if risk is deemed low with consideration to both SaaS and (if applicable) self managed
 - [ ] In the next milestone, [remove the feature flag](https://docs.gitlab.com/ee/development/feature_flags/controls.html#cleaning-up) if applicable
 - [ ] After the flag removal is deployed, [clean up the feature/experiment feature flags](https://docs.gitlab.com/ee/development/feature_flags/controls.html#cleaning-up) by running chatops command in `#production` channel
-- [ ] Ensure the corresponding [Experiment Tracking](https://gitlab.com/groups/gitlab-org/-/boards/1352542?label_name[]=devops%3A%3Agrowth&label_name[]=growth%20experiment&label_name[]=experiment%20tracking) issue is updated
+- [ ] Ensure the corresponding [Experiment Rollout](https://gitlab.com/groups/gitlab-org/-/boards/1352542?label_name[]=devops%3A%3Agrowth&label_name[]=growth%20experiment&label_name[]=experiment-rollout) issue is updated
 
 /label ~"type::maintenance" ~"workflow::scheduling" ~"growth experiment" ~"feature flag"