win32: Always depend on windows-sys

No need for cfg(windows) anymore.

Author: bilelmoussaoui

gio-win32/sys/Cargo.toml

@@ -37,7 +37,7 @@ workspace = true
 [dependencies.gio-sys]
 workspace = true
 
-[target."cfg(windows)".dependencies.windows-sys]
+[dependencies.windows-sys]
 version = ">=0.52, <=0.61"
 features = ["Win32_Networking_WinSock"]