build(deps): bump lettre from 0.11.14 to 0.11.15

Bumps [lettre](https://github.com/lettre/lettre) from 0.11.14 to 0.11.15.
- [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/v0.11.14...v0.11.15)

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

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

Cargo.lock

@@ -1719,9 +1719,9 @@ dependencies = [
 
 [[package]]
 name = "email-encoding"
-version = "0.3.1"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea3d894bbbab314476b265f9b2d46bf24b123a36dd0e96b06a1b49545b9d9dcc"
+checksum = "20b9cde6a71f9f758440470f3de16db6c09a02c443ce66850d87f5410548fb8e"
 dependencies = [
  "base64 0.22.1",
  "memchr",
@@ -2992,9 +2992,9 @@ checksum = "884e2677b40cc8c339eaefcb701c32ef1fd2493d71118dc0ca4b6a736c93bd67"
 
 [[package]]
 name = "lettre"
-version = "0.11.14"
+version = "0.11.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d476fe7a4a798f392ce34947aa7d53d981127e37523c5251da3c927f7fa901f"
+checksum = "759bc2b8eabb6a30b235d6f716f7f36479f4b38cbe65b8747aefee51f89e8437"
 dependencies = [
  "async-std",
  "async-trait",

Cargo.toml

@@ -187,7 +187,7 @@ features = ["yaml", "json"]
 
 # Email sending
 [workspace.dependencies.lettre]
-version = "0.11.14"
+version = "0.11.15"
 default-features = false
 features = [
     "tokio1-rustls-tls",