Supports docs-api SLI-checkers on 2025-04 in pinecone-db

[ssmith-pc]

Problem

Adds basic support for integrated inference to the rust SDK, which is used in SLI checkers used internally to monitor DB.

This PR is directly referenced as a dependency for the time being:
https://github.com/pinecone-io/pinecone-db/blob/a7bd866ec2bbbda0512975f7feda6dced9920f08/pc-sli-checker/Cargo.toml#L16

pinecone-sdk = { git = "ssh://github.com/pinecone-io/pinecone-rust-client.git", rev = "74f07c1862a8daaea229b069f41abfed3a12ecbf" }

Solution

Describe the approach you took. Link to any relevant bugs, issues, docs, or other resources.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update
• Infrastructure change (CI configs, etc)
• Non-code change (docs, etc)
• None of the above: (explain here)

Test Plan

Describe specific steps for validating this change.