chore: update dependabot.yml

Author: borislavr

.github/dependabot.yml

@@ -7,7 +7,7 @@ version: 2
 updates:
   - package-ecosystem: "github-actions"
     directories:
-      - "/"
+      - "/.github/workflows"
       - "/actions/assets-action"
       - "/actions/branch-action"
       - "/actions/cdxgen"