chore: bump up Rust crate secret-service to v5

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
secret-service (source)	dependencies	major	4 -> 5

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Release Notes

hwchen/secret-service-rs (secret-service)

v5.0.0

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What's Changed

• Fix private trait import issue by @​complexspaces in https://github.com/hwchen/secret-service-rs/pull/86
• Update zbus to v5 by @​liff in https://github.com/hwchen/secret-service-rs/pull/84
• Simplify implementation of item equality by @​complexspaces in https://github.com/hwchen/secret-service-rs/pull/87
• 2025 misc code and README cleanup by @​complexspaces in https://github.com/hwchen/secret-service-rs/pull/88
• Remove rand in favor of getrandom by @​complexspaces in https://github.com/hwchen/secret-service-rs/pull/89

Full Changelog: https://github.com/hwchen/secret-service-rs/compare/v4.0.0...v5.0.0

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