Auto merge of rust-lang#125942 - timokroeger:windows-once-futex, r=ChrisDenton

Windows: Use futex implementation for `Once`

Keep the queue implementation for win7.
Inspired by PR rust-lang#121956

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Author: bors

std/src/sys/sync/once/mod.rs

@@ -9,6 +9,7 @@
 
 cfg_if::cfg_if! {
     if #[cfg(any(
+        all(target_os = "windows", not(target_vendor="win7")),
         target_os = "linux",
         target_os = "android",
         all(target_arch = "wasm32", target_feature = "atomics"),