added comment to stale issues (#327)

* added comment to stale issues to make sure author doesn't miss the closing of the issue

Signed-off-by: Nir Rozenbaum <nirro@il.ibm.com>

* typo

Signed-off-by: Nir Rozenbaum <nirro@il.ibm.com>

* Update .github/workflows/stale.yaml

Co-authored-by: Etai Lev Ran <elevran@gmail.com>
Signed-off-by: Nir Rozenbaum <nirro@il.ibm.com>

---------

Signed-off-by: Nir Rozenbaum <nirro@il.ibm.com>
Co-authored-by: Etai Lev Ran <elevran@gmail.com>

Author: nirrozenbaum

.github/workflows/stale.yaml

@@ -18,6 +18,7 @@ jobs:
           days-before-close: -1
           stale-issue-label: 'lifecycle/stale'
           exempt-issue-labels: 'lifecycle/rotten'
+          stale-issue-message: 'This issue is marked as stale after 90d of inactivity. After an additional 30d of inactivity, it will be closed. To prevent this issue from being closed, add a comment or remove the `lifecycle/stale` label.'
 
       - name: 'Mark rotten issues'
         uses: actions/stale@v9
@@ -36,3 +37,4 @@ jobs:
           days-before-issue-close: 30
           days-before-pr-close: -1
           stale-issue-label: 'lifecycle/rotten'
+          stale-issue-message: 'This issue is being closed after 120d of inactivity.'