chore(ci): fix dependabot workflow (#917)

Author: nirinchev

.github/workflows/test-and-build-from-fork.yaml

@@ -44,8 +44,14 @@ jobs:
           SEGMENT_KEY: ${{ secrets.SEGMENT_KEY_DEV }}
         run: npm run test
 
+  merge-dependabot-pr:
+    name: Merge Dependabot PR
+    runs-on: ubuntu-latest
+    needs:
+      - test-and-build
+    if: github.event.pull_request.user.login == 'dependabot[bot]'
+    steps:
       - name: Enable auto-merge for Dependabot PRs
-        if: github.event.pull_request.user.login == 'dependabot[bot]'
         run: gh pr merge --auto --squash "$PR_URL"
         env:
           PR_URL: ${{github.event.pull_request.html_url}}