Update dependabot.yml [ci skip]

sue445 · web-flow · commit 2295ba73673c · 2025-12-02T01:17:00.000+09:00
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
@@ -8,7 +8,7 @@ updates:
   - package-ecosystem: github-actions
     directory: /
     schedule:
-      interval: weekly
+      interval: monthly
       time: "05:00"
       timezone: Asia/Tokyo
     cooldown:
