blast_repo fixes (dart-lang/clock#64)

dependabot

pkgs/clock/.github/dependabot.yml

diff --git a/pkgs/clock/.github/dependabot.yml b/pkgs/clock/.github/dependabot.yml
index 725f03a..cde02ad 100644
--- a/pkgs/clock/.github/dependabot.yml
+++ b/pkgs/clock/.github/dependabot.yml
@@ -9,3 +9,7 @@
       interval: monthly
     labels:
       - autosubmit
+    groups:
+      github-actions:
+        patterns:
+          - "*"