Switch to v4 rc1

seanhandley · seanhandley · commit 029c9b284511 · 2022-02-07T18:43:45.000Z
diff --git a/ext/h3/src b/ext/h3/src
@@ -1 +1 @@
-Subproject commit 26a6409156ba8539b2b332f799486572f1f8bab2
+Subproject commit 42f56e35a9f568d82fce294dd3f57ea2dc6b2e18
