Updated issues stale labels

Author: bluvulture

.github/workflows/stale.yml

@@ -25,7 +25,7 @@ jobs:
           operations-per-run: 100
           stale-issue-message: >
               Thanks a lot for reporting the issue.
-              We did not consider the issue as "Priority" or "Backlog",
+              We did not consider the issue as "Pimcore:Priority", "Pimcore:ToDo" or "Pimcore:Backlog",
               so we're not going to work on that anytime soon.
               Please create a pull request to fix the issue if this is a bug report.
               We'll then review it as quickly as possible.