fix target

Author: Fidget-Spinner

.github/workflows/tail-call.yml

@@ -54,6 +54,9 @@ jobs:
           - target: x86_64-pc-windows-msvc/msvc
             architecture: x64
             runner: windows-2025-vs2026
+          - target: free-threading-msvc
+            architecture: x64
+            runner: windows-2025-vs2026            
 #          - target: aarch64-pc-windows-msvc/msvc
 #            architecture: ARM64
 #            runner: windows-2022