Update dependabot.yml

Author: rosuH

.github/dependabot.yml

@@ -6,7 +6,7 @@ updates:
     interval: daily
     time: "21:00"
   open-pull-requests-limit: 10
-  target-branch: master
+  target-branch: dev
   ignore:
   - dependency-name: name.remal.check-dependency-updates
     versions: