⬆️(dependencies) update opensearch-py to v3.2.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
opensearch-py	==3.1.0 → ==3.2.0

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Release Notes

opensearch-project/opensearch-py (opensearch-py)

v3.2.0

Compare Source

Added

• Add dependency on opensearch-protobufs to provide client libraries for gRPC transport (#​977)
• Add ML Commons plugin documentation (#​992)

Updated APIs

• Updated opensearch-py APIs to reflect opensearch-api-specification@2954600

Changed

Deprecated

Removed

Fixed

• Fixed AWSV4Signer.sign() not passing custom headers to AWSRequest, causing x-amz-* headers to be excluded from SigV4 signature (#​1034)
• Fixed AWSV4Signer.sign() not setting X-Amz-Content-SHA256 before SigV4Auth.add_auth(), causing the header to be absent from SignedHeaders in the Authorization header. The fix uses a guarded assignment that preserves caller-provided values (e.g., UNSIGNED-PAYLOAD, precomputed hashes) (#​1038, #​1039)
• Fixed the linkchecker CI step (#​987)

Security

Dependencies

• Bump pytest-asyncio from <=1.2.0 to <=1.3.0 (#​984)
• Bump actions/checkout from 5 to 6 (#​986)
• Bump codecov/codecov-action from 4 to 5 (#​985)
• Bump actions/upload-artifact from 5 to 6 (#​989)
• Bump actions/download-artifact from 6 to 7 (#​988)
• Bump peter-evans/create-pull-request from 7 to 8 (#​990)
• Bump opensearch-protobufs from 0.19.0 to 1.2.0 (#​1000)

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