Fix github outage (postcommit checks are stuck) one more fix (#6898)

Author: maximyurchuk

.github/workflows/gate_postcommits.yml

@@ -41,7 +41,8 @@ jobs:
         
         echo "$j1" | sed '$d' | jq "$query" | while read x;do
           echo "Runner: $x"
-          if (( queue_size > 0 ));then
+          # temporary solution for https://www.githubstatus.com/incidents/m70hk23gx3nx (some workflows are uncancellable stuck)
+          if (( queue_size > 10 ));then
             curl -Ls -X DELETE -H "Accept: application/vnd.github+json" -H "Authorization: Bearer ${{secrets.GH_PERSONAL_ACCESS_TOKEN}}" \
               -H "X-GitHub-Api-Version: 2022-11-28" \
               https://api.github.com/repos/${{github.repository}}/actions/runners/$x/labels/postcommit