Missing bump to 5.7.90

Author: Vlastimil Holer

source/conf.py

@@ -66,7 +66,7 @@
 # The short X.Y version.
 version = '5.7'
 # The full version, including alpha/beta/rc tags.
-release = '5.7.85'
+release = '5.7.90'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.