RPM build fix (reverted CI changes which will need to be un-reverted or made conditional) and vendor Rust dependencies to make builds much faster in any CI system.

zeroidc/vendor/hyper/src/common/task.rs

@@ -0,0 +1,12 @@
+#[cfg(feature = "http1")]
+use super::Never;
+pub(crate) use std::task::{Context, Poll};
+
+/// A function to help "yield" a future, such that it is re-scheduled immediately.
+///
+/// Useful for spin counts, so a future doesn't hog too much time.
+#[cfg(feature = "http1")]
+pub(crate) fn yield_now(cx: &mut Context<'_>) -> Poll<Never> {
+    cx.waker().wake_by_ref();
+    Poll::Pending
+}