ci: Updates dependabot.yml to send reviews to current squad (#196)

Author: matt-frizzell

.github/dependabot.yml

@@ -8,7 +8,7 @@ updates:
       interval: "weekly"
     open-pull-requests-limit: 1
     reviewers:
-      - "customerio/mobile"
+      - "customerio/squad-mobile"
     commit-message:
       prefix: "chore"
       include: "scope"