Update dependabot

Author: othercorey

.github/dependabot.yml

@@ -3,9 +3,10 @@ updates:
 - package-ecosystem: composer
   directory: "/"
   schedule:
-    interval: daily
+    interval: weekly
+  open-pull-requests-limit: 10
+- package-ecosystem: github-actions
+  directory: "/"
+  schedule:
+    interval: weekly
   open-pull-requests-limit: 10
-  ignore:
-  - dependency-name: phpunit/phpunit
-    versions:
-    - "> 6.0"