Update dependabot.yml

Author: tkoyama010

.github/dependabot.yml

@@ -4,7 +4,7 @@ updates:
     directory: "/"
     insecure-external-code-execution: allow
     schedule:
-      interval: "monthly"
+      interval: "daily"
     open-pull-requests-limit: 100
     labels:
       - "maintenance"
@@ -16,7 +16,7 @@ updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: "monthly"
+      interval: "daily"
     open-pull-requests-limit: 100
     labels:
       - "maintenance"