Update .github/workflows/pull_request.yml

Author: MaxDesiatov

.github/workflows/pull_request.yml

@@ -14,4 +14,5 @@ jobs:
     name: Soundness
     uses: swiftlang/github-workflows/.github/workflows/soundness.yml@main
     with:
+      api_breakage_check_enabled: false
       license_header_check_project_name: "Swift.org"