build(deps): bump lettre from 0.11.15 to 0.11.18

Bumps [lettre](https://github.com/lettre/lettre) from 0.11.15 to 0.11.18.
- [Release notes](https://github.com/lettre/lettre/releases)
- [Changelog](https://github.com/lettre/lettre/blob/master/CHANGELOG.md)
- [Commits](https://github.com/lettre/lettre/compare/v0.11.15...v0.11.18)

---
updated-dependencies:
- dependency-name: lettre
  dependency-version: 0.11.18
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.lock

@@ -3015,9 +3015,9 @@ checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
 
 [[package]]
 name = "lettre"
-version = "0.11.15"
+version = "0.11.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "759bc2b8eabb6a30b235d6f716f7f36479f4b38cbe65b8747aefee51f89e8437"
+checksum = "5cb54db6ff7a89efac87dba5baeac57bb9ccd726b49a9b6f21fb92b3966aaf56"
 dependencies = [
  "async-std",
  "async-trait",
@@ -3036,12 +3036,12 @@ dependencies = [
  "percent-encoding",
  "quoted_printable",
  "rustls",
- "socket2 0.5.10",
+ "socket2 0.6.0",
  "tokio",
  "tokio-rustls",
  "tracing",
  "url",
- "webpki-roots",
+ "webpki-roots 1.0.2",
 ]
 
 [[package]]
@@ -6029,7 +6029,7 @@ dependencies = [
  "tracing",
  "url",
  "uuid",
- "webpki-roots",
+ "webpki-roots 0.26.8",
 ]
 
 [[package]]
@@ -7400,6 +7400,15 @@ dependencies = [
  "rustls-pki-types",
 ]
 
+[[package]]
+name = "webpki-roots"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e8983c3ab33d6fb807cfcdad2491c4ea8cbc8ed839181c7dfd9c67c83e261b2"
+dependencies = [
+ "rustls-pki-types",
+]
+
 [[package]]
 name = "which"
 version = "4.4.2"

Cargo.toml

@@ -353,7 +353,7 @@ features = ["serde"]
 
 # Email sending
 [workspace.dependencies.lettre]
-version = "0.11.15"
+version = "0.11.18"
 default-features = false
 features = [
     "tokio1-rustls-tls",