Run dependabot once a week.
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 5b47509..9ebcd0e 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -18,8 +18,10 @@
   - package-ecosystem: "maven"
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "weekly"
+      day: "friday"
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "weekly"
+      day: "friday"