Merge branch 'oss-migrations-label' into 'master'

Fix open source label in migrations issue template

See merge request gitlab-org/gitlab!29169

.gitlab/issue_templates/Migrations.md

@@ -63,5 +63,5 @@ Here is an example of what this list might look like once populated: https://git
  
 ------
 
-/label ~Open-Source ~movingtogitlab
+/label ~"Open Source" ~movingtogitlab
 /cc @nuritzi 
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