devel/py-oci: Update to 2.7.1

• Support for etags on results of the List Objects API in the Object Storage service
• Support for OCIDs on buckets in the Object Storage service
• Support for content-disposition and cache-control headers on objects in the Object Storage service
• Support for recovering deleted compartments in the Identity service
• Support for sharing volumes across multiple instances in the Block Storage service
• Support for connect harnesses and stream pools in the Streaming service
• Support for associating file storage mount targets with network security groups in the File Storage service
• Support for calling Oracle Cloud Infrastructure services in the uk-gov-london-1 region
• Add default connection timeout(10s) and read timeout(60s) for Python SDK client
• Add contents table to client documentation
• Fix the issue of the second style of pagination

PR: 242572
Submitted by: maintainer
Relnotes: https://github.com/oracle/oci-python-sdk/releases/tag/v2.7.1