Disable Soundness / Unacceptable language check and License headers check

Author: shahmishal

.github/workflows/pull_request.yml

@@ -17,3 +17,5 @@ jobs:
     uses: swiftlang/github-workflows/.github/workflows/soundness.yml@main
     with:
       license_header_check_project_name: "Swift.org"
+      license_header_check_enabled: false
+      unacceptable_language_check_enabled: false