chore: switch Dependabot schedule to daily

Author: t0kubetsu

.github/dependabot.yml

@@ -3,8 +3,7 @@ updates:
   - package-ecosystem: "pip"
     directory: "/"
     schedule:
-      interval: "weekly"
-      day: "monday"
+      interval: "daily"
     labels:
       - "dependencies"
     commit-message:
@@ -15,8 +14,7 @@ updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: "weekly"
-      day: "monday"
+      interval: "daily"
     labels:
       - "dependencies"
     commit-message: