Switch to GitHub Actions artifacts for Windows wheels

Author: radarhere

RELEASING.md

@@ -96,8 +96,8 @@ Released as needed privately to individual vendors for critical security-related
 ## Binary Distributions
 
 ### Windows
-* [ ] Contact `@cgohlke` for Windows binaries via release ticket e.g. https://github.com/python-pillow/Pillow/issues/1174.
-* [ ] Download and extract tarball from `@cgohlke` and copy into `dist/`
+* [ ] Download the artifacts from the [GitHub Actions "Test Windows" workflow](https://github.com/python-pillow/Pillow/actions/workflows/test-windows.yml)
+  and copy into `dist/`
 
 ### Mac and Linux
 * [ ] Use the [Pillow Wheel Builder](https://github.com/python-pillow/pillow-wheels):