Use dependabot wildcard directories (#74)

* Use dependabot wildcard directories

* Fix dependabot schedule

.github/dependabot.yml

@@ -2,28 +2,9 @@ version: 2
 updates:
   - package-ecosystem: github-actions
     directories:
-      - '/'
-      - '/buildkite/download-artifact'
-      - '/buildkite/run'
-      - '/check-dependent-jobs'
-      - '/git/setup'
-      - '/google/auth'
-      - '/oblt-cli/cluster-create-ccs'
-      - '/oblt-cli/cluster-create-custom'
-      - '/oblt-cli/cluster-create-serverless'
-      - '/oblt-cli/cluster-credentials'
-      - '/oblt-cli/cluster-destroy'
-      - '/oblt-cli/cluster-name-validation'
-      - '/oblt-cli/run'
-      - '/oblt-cli/setup'
-      - '/slack/notify-result'
-      - '/slack/send'
-      - '/snapshoty/run'
-      - '/updatecli/install'
-      - '/updatecli/run'
-      - '/updatecli/run-and-notify'
+      - '**/*'
     schedule:
-      interval: 'daily'
+      interval: 'weekly'
       day: 'sunday'
       time: '22:00'
     reviewers: