add if stmt to stale workflow to ignore issues that have bypass-activity

.github/workflows/stale.yml

@@ -6,6 +6,7 @@ on:
 
 jobs:
   stale:
+    if: github.event.label.name != 'bypass-activity'
     runs-on: ubuntu-latest
     steps:
       - uses: actions/stale@v3
@@ -16,4 +17,4 @@ jobs:
           close-issue-label: "closed-no-issue-activity"
           stale-issue-label: "no-issue-activity"
           days-before-stale: 15
-          days-before-close: 90
+          days-before-close: 90