Merge pull request #176 from bgilbert/links

docs: update links

Author: bgilbert

README.md

@@ -57,7 +57,7 @@ components so OpenSlide Python can find OpenSlide, see the package
 - [Changelog](https://github.com/openslide/openslide-python/blob/main/CHANGELOG.md#notable-changes-in-openslide-python)
 - [Website][OpenSlide]
 - [GitHub](https://github.com/openslide/openslide-python)
-- [Sample data](http://openslide.cs.cmu.edu/download/openslide-testdata/)
+- [Sample data](https://openslide.cs.cmu.edu/download/openslide-testdata/)
 
 
 ## License

doc/index.rst

@@ -321,7 +321,7 @@ OpenSlide Python provides functionality for generating individual
 whole-slide images in a web browser without converting the entire slide to
 Deep Zoom or a similar format.
 
-.. _`Deep Zoom`: http://msdn.microsoft.com/en-us/library/cc645050%28VS.95%29.aspx
+.. _`Deep Zoom`: https://docs.microsoft.com/en-us/previous-versions/windows/silverlight/dotnet-windows-silverlight/cc645050(v=vs.95)
 
 .. class:: DeepZoomGenerator(osr, tile_size=254, overlap=1, limit_bounds=False)