ci: set pre-commit autoupdate to run monthly instead of weekly (#1281)

* check for github actions updates every month

* add ci autoupdate schedule

.github/dependabot.yml

@@ -5,8 +5,8 @@ updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      # Check for updates to GitHub Actions every week
-      interval: "weekly"
+      # Check for updates to GitHub Actions every month
+      interval: "monthly"
     commit-message:
       prefix: "skip changelog" # So this PR will not be added to release-drafter
       include: "scope" # List of the updated dependencies in the commit will be added

.pre-commit-config.yaml

@@ -1,3 +1,5 @@
+ci:
+  autoupdate_schedule: monthly
 repos:
 - repo: https://github.com/astral-sh/ruff-pre-commit
   # Ruff version.