fix true type on equal

Author: ASuciuX

.github/workflows/pr-differences-mutants.yml

@@ -40,7 +40,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
 
       - name: Fail if the user does not have the right permissions
-        if: ${{ inputs.ignore_timeout == true && steps.check_right_permissions.outputs.is_team_member != 'true' }}
+        if: ${{ inputs.ignore_timeout == 'true' && steps.check_right_permissions.outputs.is_team_member != 'true' }}
         run: exit 1
 
   # Check and output whether to run big (`stacks-node`/`stackslib`) or small (others) packages with or without shards