Only build win_amd64 (instead of all windows wheels)

Summary: The win32 builds are failing tests and crashing the process with 0xC0000374 whenever child threads exit and there are callbacks to run through `FlsAlloc`. I don't entirely know why.

Reviewed By: SonicField

Differential Revision: D68226404

fbshipit-source-id: 5dbde77a623b116142325c59a9b722ed2a1d5046

.github/workflows/build.yml

@@ -36,10 +36,10 @@ jobs:
             CIBW_ENABLE: "cpython-freethreading"
           - wheel: "windows-3.13"
             os: windows-latest
-            CIBW_BUILD: "cp313-*"
+            CIBW_BUILD: "cp313-win_amd64"
           - wheel: "windows-3.13t"
             os: windows-latest
-            CIBW_BUILD: "cp313t-*"
+            CIBW_BUILD: "cp313t-win_amd64"
             CIBW_ENABLE: "cpython-freethreading"
           - wheel: "macos-3.13"
             os: macos-latest