Fix shared runners minutes

Update only projects with used allowance, not all.
We have a millions of projects, and only a small portion of them use CI.

app/workers/clear_shared_runners_minutes_worker.rb

@@ -7,11 +7,13 @@ class ClearSharedRunnersMinutesWorker
   def perform
     return unless try_obtain_lease
 
-    ProjectStatistics.update_all(
+    NamespaceStatistics.where.not(shared_runners_seconds: 0)
+      .update_all(
         shared_runners_seconds: 0,
         shared_runners_seconds_last_reset: Time.now)
 
-    NamespaceStatistics.update_all(
+    ProjectStatistics.where.not(shared_runners_seconds: 0)
+      .update_all(
         shared_runners_seconds: 0,
         shared_runners_seconds_last_reset: Time.now)
   end

changelogs/unreleased/fix-shared-runners-minutes-query.yml

+---
+title: Fix shared runners minutes query to update only projects with used allowance
+merge_request:
+author: