Update Rust crate mailchecker to 6.0.20

geneit_backend/Cargo.lock

@@ -2503,9 +2503,9 @@ dependencies = [
 
 [[package]]
 name = "mailchecker"
-version = "6.0.19"
+version = "6.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abad4bc63045f04cfc55aa4c55d4ec0a890c377ce56463bfc2adc2bc059c4b84"
+checksum = "e32897aec7dd28fa9a39f02a0a08e434f50e2761214e40cec745eb7c411cdb48"
 dependencies = [
  "fast_chemail",
  "once_cell",

geneit_backend/Cargo.toml

@@ -21,7 +21,7 @@ diesel = { version = "2.3.6", features = ["postgres"] }
 diesel_migrations = "2.3.1"
 serde = { version = "1.0.228", features = ["derive"] }
 serde_json = "1.0.149"
-mailchecker = "6.0.19"
+mailchecker = "6.0.20"
 redis = "0.32.7"
 lettre = "0.11.19"
 rand = "0.10.0"