DOC: update intersphinx mapping

Author: mgeier

doc/conf.py

@@ -16,8 +16,8 @@
 # These projects are also used for the sphinx_codeautolink extension:
 intersphinx_mapping = {
     'IPython': ('https://ipython.readthedocs.io/en/stable/', None),
-    'matplotlib': ('https://matplotlib.org/', None),
-    'numpy': ('https://docs.scipy.org/doc/numpy/', None),
+    'matplotlib': ('https://matplotlib.org/stable/', None),
+    'numpy': ('https://numpy.org/doc/stable/', None),
     'pandas': ('https://pandas.pydata.org/docs/', None),
     'python': ('https://docs.python.org/3/', None),
 }