chore(dependabot): update dependabot config (#52)

Author: shipengqi

.github/dependabot.yml

@@ -10,7 +10,7 @@ updates:
     labels:
       - "dependencies"
     commit-message:
-      prefix: "feat"
+      prefix: "chore"
       include: "scope"
   - package-ecosystem: "github-actions"
     assignees: