Update the link to CGGH non-profit organization (#3260)

Author: star1327p

docs/about.rst

@@ -18,7 +18,7 @@ Funding
 -------
 The project is fiscally sponsored by `NumFOCUS <https://numfocus.org/>`_, a US
 501(c)(3) public charity, and development is supported by the
-`MRC Centre for Genomics and Global Health <https://www.cggh.org>`_
+`MRC Centre for Genomics and Global Health <https://github.com/cggh/>`_
 and the `Chan Zuckerberg Initiative <https://chanzuckerberg.com/>`_.
 
 .. _NumCodecs: https://numcodecs.readthedocs.io/