Do not use dependencies as implicit features.

Add `dep:` prefix instead.

Author: khvzak

Cargo.toml

@@ -32,14 +32,14 @@ lua52 = ["ffi/lua52"]
 lua51 = ["ffi/lua51"]
 luajit = ["ffi/luajit"]
 luajit52 = ["luajit", "ffi/luajit52"]
-luau = ["ffi/luau", "libloading"]
+luau = ["ffi/luau", "dep:libloading"]
 luau-jit = ["luau", "ffi/luau-codegen"]
 luau-vector4 = ["luau", "ffi/luau-vector4"]
 vendored = ["ffi/vendored"]
-module = ["mlua_derive", "ffi/module"]
-async = ["futures-util"]
+module = ["dep:mlua_derive", "ffi/module"]
+async = ["dep:futures-util"]
 send = []
-serialize = ["serde", "erased-serde", "serde-value"]
+serialize = ["dep:serde", "dep:erased-serde", "dep:serde-value"]
 macros = ["mlua_derive/macros"]
 unstable = []