chore(generated): bump minimal python to 3.9

Generated SDK source code using:
- Generator version 3.95.2
- Specification version 1.0.0-dev0.1.18
- Automation (cloudant-sdks) version 2db9045

Author: cloudant-sdks-automation

.github/ISSUE_TEMPLATE/bug_report.md

@@ -21,7 +21,7 @@ assignees: ''
 
 **Must gather (please complete the following information):**
  - SDK Version [e.g. 1.2.1]
- - Python Version [e.g. Python 3.8]
+ - Python Version [e.g. Python 3.9]
  - Name of service that you're trying to use (if applicable)
  - Name of operation that you're trying to invoke (if applicable)
 

README.md

@@ -104,7 +104,7 @@ project:
   service instance or a
   [CouchDB](https://docs.couchdb.org/en/latest/install/index.html)
   server.
-- Python 3.8 or above.
+- Python 3.9 or above.
 
 ## Installation