devel/py-oci: Update to 2.6.3

• Support for the Analytics Cloud service
• Support for the Integration Cloud service
• Support for IKE versions in IPSec connections in the Virtual Networking service
• Support for getting a stack's Terraform state in the Resource Manager service

PR: 241778
Submitted by: maintainer
Relnotes: https://github.com/oracle/oci-python-sdk/releases/tag/v2.6.3