Ignore clean-up errors for Windows temporary directory

Author: zanieb

cpython-windows/build.py

@@ -1235,7 +1235,9 @@ def build_cpython(
     else:
         raise ValueError("unhandled arch: %s" % arch)
 
-    with tempfile.TemporaryDirectory(prefix="python-build-") as td:
+    with tempfile.TemporaryDirectory(
+        prefix="python-build-", ignore_cleanup_errors=True
+    ) as td:
         td = pathlib.Path(td)
 
         with concurrent.futures.ThreadPoolExecutor(10) as e: