chore(ci): fix fork PR automerge (#916)

Author: nirinchev

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

@@ -46,7 +46,7 @@ jobs:
 
       - name: Enable auto-merge for Dependabot PRs
         if: github.event.pull_request.user.login == 'dependabot[bot]'
-        run: gh pr merge --auto --merge "$PR_URL"
+        run: gh pr merge --auto --squash "$PR_URL"
         env:
           PR_URL: ${{github.event.pull_request.html_url}}
           GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}