chore: code review feedback

Signed-off-by: Moriarty <moritz@animo.id>

Author: Moriarty

README.md

@@ -44,6 +44,7 @@ Each Cloud Controller version maps to a specific ACA-Py version, which is outlin
 | Aries Cloud Controller Version | Aries Cloud Agent Python Version |
 | ------------------------------ | -------------------------------- |
 | 0.5.1-0.5.2                    | 0.7.3                            |
+| 0.6.0                          | 0.7.4                            |
 
 ## Features