Update renovate.json5

Author: beeequeue

.github/renovate.json5

@@ -1,10 +1,9 @@
 {
   $schema: "https://docs.renovatebot.com/renovate-schema.json",
-  extends: ["config:base"],
+  extends: ["config:base", ":scheduleMonthly"],
   prHourlyLimit: 5,
   prConcurrentLimit: 5,
   branchConcurrentLimit: 5,
-  schedule: ["before 11am"],
   labels: ["dependencies"],
   baseBranches: ["main"],
   packageRules: [