Restore HTTP client transition, but use reqwest everywhere (#19055)

Release Notes:

- N/A

crates/sqlez/src/util.rs

@@ -9,14 +9,14 @@ use thread_local::ThreadLocal;
 /// Note: this locks on the cloneable sender, but its done once per thread, so it
 /// shouldn't result in too much contention
 pub struct UnboundedSyncSender<T: Send> {
-    clonable_sender: Mutex<Sender<T>>,
+    cloneable_sender: Mutex<Sender<T>>,
     local_senders: ThreadLocal<Sender<T>>,
 }
 
 impl<T: Send> UnboundedSyncSender<T> {
     pub fn new(sender: Sender<T>) -> Self {
         Self {
-            clonable_sender: Mutex::new(sender),
+            cloneable_sender: Mutex::new(sender),
             local_senders: ThreadLocal::new(),
         }
     }
@@ -27,6 +27,6 @@ impl<T: Send> Deref for UnboundedSyncSender<T> {
 
     fn deref(&self) -> &Self::Target {
         self.local_senders
-            .get_or(|| self.clonable_sender.lock().clone())
+            .get_or(|| self.cloneable_sender.lock().clone())
     }
 }