Close streams asynchronously in ResetSession

This is a temporary workaround for the server not supporting
closing and opening a stream in a single pipeline request.

Once tursodatabase/libsql#621
is merged and deployed to all databases we can revert this commit.

Signed-off-by: Piotr Jastrzebski <piotr@chiselstrike.com>

libsql/internal/http/hranaV2/hranaV2.go

@@ -397,9 +397,12 @@ func (h *hranaV2Conn) closeStream(ctx context.Context) error {
 
 func (h *hranaV2Conn) ResetSession(ctx context.Context) error {
 	if h.baton != "" {
-		err := h.closeStream(ctx)
+		go func(baton, url, jwt, host string) {
+			msg := hrana.PipelineRequest{Baton: baton}
+			msg.Add(hrana.CloseStream())
+			_, _, _ = sendPipelineRequest(context.Background(), &msg, url, jwt, host)
+		}(h.baton, h.url, h.jwt, h.host)
 		h.baton = ""
-		return err
 	}
 	return nil
 }