Release version update to 2.0.6 in the Docs (espressif#7592)

Co-authored-by: Me No Dev <me-no-dev@users.noreply.github.com>

Author: pedrominatel

docs/source/conf.py

@@ -22,7 +22,7 @@
 author = 'Espressif'
 
 # The full version, including alpha/beta/rc tags
-release = '2.0.2'
+release = '2.0.6'
 
 # -- General configuration ---------------------------------------------------