Update OpenSecret SDK to 3.3.0

[AnthonyRonning]

Summary

• update the Rust OpenSecret SDK dependency from 3.1.1 to 3.3.0
• refresh only the corresponding lockfile package version and checksum
• pick up float-array and base64 embedding response support from Support base64 embedding responses in the Rust SDK OpenSecret-SDK#86

Why

Tinfoil and the OpenSecret backend already support encoding_format: "base64". Maple Proxy failed while the older SDK attempted to deserialize every embedding as Vec<f64>. OpenSecret SDK 3.3.0 models the response as either a float vector or base64 string, so Maple Proxy can preserve and return either wire representation without proxy-layer conversion logic.

Testing

• confirmed opensecret 3.3.0 is published and downloadable from crates.io
• cargo tree -i opensecret --locked resolves opensecret v3.3.0
• nix develop -c just check
  • formatting passed
  • Clippy passed with warnings denied
  • 12 tests passed

Closes #40.

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Summary by CodeRabbit

• Chores
  • Updated the OpenSecret library to version 3.3.0.

[coderabbitai]

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📝 Walkthrough

Walkthrough

The project updates its opensecret dependency from version 3.1.1 to 3.3.0 in Cargo.toml.

Changes

OpenSecret dependency update

Layer / File(s)	Summary
Update OpenSecret crate version Cargo.toml	The opensecret dependency declaration changes from 3.1.1 to 3.3.0.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• OpenSecretCloud/maple-proxy#17: Updates the same opensecret dependency for SDK compatibility.
• OpenSecretCloud/maple-proxy#27: Bumps the opensecret crate version in Cargo.toml.
• OpenSecretCloud/maple-proxy#28: Previously updates opensecret to version 3.1.1.

Poem

A rabbit hops through Cargo’s stream,
“Three point three!” becomes the dream.
One crate renewed, the burrow cheers,
Fresh version paws replace old years. 🐇

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title is concise and accurately describes the main change: upgrading the OpenSecret SDK to 3.3.0.
Linked Issues check	✅ Passed	The dependency bump to opensecret 3.3.0 matches the issue’s fix for base64 embedding responses.
Out of Scope Changes check	✅ Passed	The PR only updates the OpenSecret SDK version, with no unrelated code changes evident.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch codex-embeddings-api-investigation-maple-proxy

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[devin-ai-integration]

✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no potential bugs to report.

View in Devin Review to see 1 additional finding.