Update the public email address for the NumPy Steering Council (#637)

Author: InessaPawson

content/en/about.md

@@ -33,7 +33,7 @@ Emeritus:
 - Jaime Fernández del Río (2014-2021)
 - Pauli Virtanen (2008-2021)
 
-To contact the NumPy Steering Council, please email numpy-steering-council@googlegroups.com.
+To contact the NumPy Steering Council, please email numpy-team@googlegroups.com.
 
 ## Teams