lnprototests: update to latest, which adds wait for test_query_channel_range

niftynei · rustyrussell · commit bbfcae652cb7 · 2021-04-08T10:34:14.000+09:30
test_query_channel_range is racy, add some wait time to reduce
chances of a race-failure
diff --git a/external/lnprototest b/external/lnprototest
@@ -1 +1 @@
-Subproject commit 14e4e1e058999988159373458589c5ecd647fdd2
+Subproject commit c935098435f50d4aa30d528e9ca44fe4bfbf01f3
