Shim branch with release builds config

Author: josephnoir

.github/workflows/pull_request.yml

@@ -32,7 +32,7 @@ jobs:
 
   release-builds:
     name: Release builds
-    uses: apple/swift-nio/.github/workflows/release_builds.yml@main
+    uses: apple/swift-nio/.github/workflows/release_builds.yml@release-builds
 
   cxx-interop:
     name: Cxx interop