fix: ignore onboarding branch when calculating pr hourly limit

lib/workers/repository/write.js

@@ -24,8 +24,11 @@ async function writeUpdates(config) {
     try {
       prsRemaining =
         config.prHourlyLimit -
-        prList.filter(pr => moment(pr.createdAt).isAfter(currentHourStart))
-          .length;
+        prList.filter(
+          pr =>
+            pr.branchName !== 'renovate/configure' &&
+            moment(pr.createdAt).isAfter(currentHourStart)
+        ).length;
       logger.info(`PR creations remaining this hour: ${prsRemaining}`);
     } catch (err) {
       logger.error('Error checking PRs created per hour');