Update gleam.toml

Co-authored-by: Louis Pilfold <[email protected]>

gleam.toml

@@ -13,7 +13,7 @@ gleam_crypto = ">= 1.0.0 and < 2.0.0"
 gleam_erlang = ">= 0.21.0 and < 2.0.0"
 gleam_http = ">= 3.5.0 and < 4.0.0"
 gleam_json = ">= 0.6.0 and < 3.0.0"
-gleam_stdlib = ">= 0.34.0 and < 2.0.0"
+gleam_stdlib = ">= 0.43.0 and < 2.0.0"
 mist = ">= 1.2.0 and < 4.0.0"
 simplifile = ">= 2.0.0 and < 3.0.0"
 marceau = ">= 1.1.0 and < 2.0.0"