fix(deps): update rust crate octocrab to 0.54.3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
octocrab	dependencies	patch	0.54.2 → 0.54.3

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Release Notes

XAMPPRocky/octocrab (octocrab)

v0.54.3

Compare Source

Fixed

• fixed Cargo.toml tests discovery (#​977)
• fixed modules discrepancies in lib.rs and README.md (#​976)

Other

• app_from_rsa_pem() for private key auth; reexported jsonwebtoken to avoid collisions #​985 (#​986)
• updated map_github_error to handle non-JSON error payload #​772 (#​983)
• exposed rate_limit_reset and all headers in GitHubError #​773 (#​982)
• Switched default feature from jwt-rust-crypto to jwt-aws-lc-rs (#​981)
• added code examples for docs.rs (#​979)
• updated comments for docs.rs (#​978)
• tuned webhook_events to support verifying signatures (#​975)
• Bugfix/tests bloat (#​974)
• consolidated tests from crates into integration tests module (#​973)
• forwarded Octocrab's TLS features to reqwest (#​971)

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