Update Rust crate lettre to v0.11.16 (#11157)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Cargo.lock

@@ -97,7 +97,7 @@ indexmap = { version = "=2.9.0", features = ["serde"] }
 indicatif = "=0.17.11"
 ipnetwork = "=0.21.1"
 json-subscriber = "=0.2.4"
-lettre = { version = "=0.11.15", default-features = false, features = ["file-transport", "smtp-transport", "hostname", "builder", "tokio1", "tokio1-native-tls"] }
+lettre = { version = "=0.11.16", default-features = false, features = ["file-transport", "smtp-transport", "hostname", "builder", "tokio1", "tokio1-native-tls"] }
 minijinja = { version = "=2.10.2", features = ["loader"] }
 mockall = "=0.13.1"
 moka = { version = "=0.12.10", default-features = false, features = ["future"] }