generator fix

Author: Keith Blackstone

.github/workflows/create-usd-release.yml

@@ -141,7 +141,7 @@ jobs:
           $generator = "--generator Ninja"
 
           if ("${{runner.os}}" -eq "Windows") {
-            $generator = "--generator \"Visual Studio 17 2022\""
+            $generator = '--generator "Visual Studio 17 2022"'
             $fileContent = Get-Content $file -Raw
             $fileContent = $fileContent -replace ' -- \{multiproc\}', ''
             Set-Content $file -Value $fileContent