fix: update cargo.lock

Author: Josen-B

Cargo.lock

@@ -176,7 +176,7 @@ cfg_if! {
             fn abort(&mut self, _cid: VsockConnId) -> DevResult<()> {
                 Err(DevError::Unsupported)
             }
-            fn poll_event(&mut self, _buf: &mut [u8]) -> DevResult<Option<VsockDriverEvent>> {
+            fn poll_event(&mut self) -> DevResult<Option<VsockDriverEvent>> {
                 Err(DevError::Unsupported)
             }
         }