Set package capsul from version 2.6.19 to version 2.6.20

Author: sapetnioc

capsul/info.py

@@ -9,7 +9,7 @@
 # Capsul current version
 version_major = 2
 version_minor = 6
-version_micro = 19
+version_micro = 20
 version_extra = ""
 
 # The following variables are here for backward compatibility in order to