Update Rust crate lettre to 0.11.7

This MR contains the following updates:

Package	Type	Update	Change
lettre (source)	dependencies	patch	0.11.1 -> 0.11.7

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Release Notes

lettre/lettre (lettre)

v0.11.7

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Misc

• Bump hostname to v0.4 (#​956)
• Fix tracing message consistency (#​960)
• Bump minimum required rustls to v0.23.5 (#​958)
• Dropped use of ref syntax in the entire project (#​959)

v0.11.6

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Bug fixes

• Upgraded email-encoding to v0.3 - fixing multiple encoding bugs in the process (#​952)

Misc

• Updated copyright year in license (#​954)

v0.11.5

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Features

• Support SMTP SASL draft login challenge (#​911)
• Add conversion from SMTP response code to integer (#​941)

Misc

• Upgrade rustls to v0.23 (#​950)
• Bump base64 to v0.22 (#​945)
• Fix typos in documentation (#​943, #​944)
• Add Cargo.lock (#​942)

v0.11.4

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Bug fixes

• Percent decode credentials in SMTP connect URL (#​932, #​934)
• Fix mimebody DKIM body-hash computation (#​923)

v0.11.3

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Features

• Derive Clone for FileTransport and AsyncFileTransport (#​924)
• Derive Debug for SmtpTransport (#​925)

Misc

• Upgrade rustls to v0.22 (#​921)
• Drop once_cell dependency in favor of OnceLock from std (#​928)

v0.11.2

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Upgrade notes

• MSRV is now 1.70 (#​916)

Misc

• Bump idna to v0.5 (#​918)
• Bump boring and tokio-boring to v4 (#​915)

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