Update stale.yml

.github/stale.yml

@@ -14,16 +14,14 @@ onlyLabels:
 
 # Issues or Pull Requests with these labels will never be considered stale. Set to `[]` to disable
 exemptLabels:
-  - feature request
-  - low priority
-  - Must-fix
-  - regression
-  - to investigate
-  - ToDo next
+  - Feature request
+  - Low priority
+  - Regression
+  - Stalled work
+  - ToDo ASAP
   - ToDo
-  - under investigation
-  - Work in Progress
-  - workaround
+  - Work in progress
+  - Workaround
 
 # Set to true to ignore issues in a project (defaults to false)
 exemptProjects: false