feat(mailer-bin): use mimalloc as the global allocator for mailer-bin

rust/Cargo.lock

@@ -894,6 +894,16 @@ version = "0.2.181"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "459427e2af2b9c839b132acb702a1c654d95e10f8c326bfc2ad11310e458b1c5"
 
+[[package]]
+name = "libmimalloc-sys"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "667f4fec20f29dfc6bc7357c582d91796c169ad7e2fce709468aefeb2c099870"
+dependencies = [
+ "cc",
+ "libc",
+]
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.11.0"
@@ -982,6 +992,7 @@ dependencies = [
  "mailer-core",
  "mailer-security",
  "mailer-smtp",
+ "mimalloc",
  "rustls",
  "serde",
  "serde_json",
@@ -1063,6 +1074,15 @@ version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
 
+[[package]]
+name = "mimalloc"
+version = "0.1.48"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1ee66a4b64c74f4ef288bcbb9192ad9c3feaad75193129ac8509af543894fd8"
+dependencies = [
+ "libmimalloc-sys",
+]
+
 [[package]]
 name = "miniz_oxide"
 version = "0.8.9"