change time for stale bot

Signed-off-by: Joana Hrotko <joana.hrotko@docker.com>

.github/workflows/stale.yml

@@ -1,7 +1,7 @@
 name: 'Close stale issues'
 on:
   schedule:
-    - cron: '0 0 * * 0,3' # at midnight UTC every Sunday and Tuesday
+    - cron: '0 0 * * 0,3' # at midnight UTC every Sunday and Wednesday
 jobs:
   stale:
     runs-on: ubuntu-latest
@@ -16,8 +16,8 @@ jobs:
             This issue has been automatically marked as stale because it has not had
             recent activity. It will be closed if no further activity occurs. Thank you
             for your contributions.
-          days-before-issue-stale: 180
-          days-before-issue-close: 180
+          days-before-issue-stale: 150 # marks stale after 5 months
+          days-before-issue-close: 30 # closes 1 month after being marked with no action
           stale-issue-label: "stale"
           exempt-issue-labels: "kind/feature,kind/enhancement"