devel/py-oci: Update to 2.9.0

Added

• Support for optionally specifying the corporate proxy field when creating Exadata infrastructure in the Database service
• Support for maintenance windows, and rescheduling maintenance runs, on autonomous container databases in the Database service
• Provide example on how to use key_content for python SDK configuration

Breaking

• Field host_name in NodeDetails from database service is changed from optional to required

PR: 243207
Submitted by: maintainer
Relnotes: https://github.com/oracle/oci-python-sdk/releases/tag/v2.9.0
Sponsored by: HAW International