Update .github/dependabot.yml

Co-authored-by: Victor Martinez <[email protected]>

Author: kruskall

.github/dependabot.yml

@@ -6,8 +6,6 @@ updates:
     directories:
       - "/"
       - "/.github/workflows/*"
-    reviewers:
-      - "elastic/observablt-ci"
     schedule:
       interval: "weekly"
       day: "sunday"