Revert "refactor(lib): Switch from pin-project to pin-project-lite"

This reverts commit 43412a950f.

src/common/drain.rs

@@ -1,6 +1,6 @@
 use std::mem;
 
-use pin_project_lite::pin_project;
+use pin_project::pin_project;
 use tokio::sync::watch;
 
 use super::{task, Future, Pin, Poll};
@@ -21,15 +21,14 @@ pub(crate) struct Watch {
     rx: watch::Receiver<()>,
 }
 
-pin_project! {
-    #[allow(missing_debug_implementations)]
-    pub struct Watching<F, FN> {
-        #[pin]
-        future: F,
-        state: State<FN>,
-        watch: Pin<Box<dyn Future<Output = ()> + Send + Sync>>,
-        _rx: watch::Receiver<()>,
-    }
+#[allow(missing_debug_implementations)]
+#[pin_project]
+pub struct Watching<F, FN> {
+    #[pin]
+    future: F,
+    state: State<FN>,
+    watch: Pin<Box<dyn Future<Output = ()> + Send + Sync>>,
+    _rx: watch::Receiver<()>,
 }
 
 enum State<F> {