chore(deps): update rust crate lettre to v0.11.13

This MR contains the following updates:

Package	Type	Update	Change
lettre (source)	workspace.dependencies	patch	0.11.12 -> 0.11.13

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Release Notes

lettre/lettre (lettre)

v0.11.13

Compare Source

Features

• Add WASM support (#​1037, #​1042)
• Add method to get the TLS verify result with BoringSSL (#​1039)

Bug fixes

• Synchronous pool shutdowns being arbitrarily delayed (#​1041)

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