ci: fix dependabot config

Signed-off-by: Carlos Alexandro Becker <[email protected]>

Author: caarlos0

.github/dependabot.yml

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