:art: Update gwfmt

diff --git a/fmt b/fmt
index 30a9c947a2a7565e654595e6ca34a33f24ac3f63..c4f7d942d21cf1f5ebc7f39a1e870f0e3c2d1b36 160000 (submodule)
--- a/fmt
+++ b/fmt
@@ -1 +1 @@
-Subproject commit 30a9c947a2a7565e654595e6ca34a33f24ac3f63
+Subproject commit c4f7d942d21cf1f5ebc7f39a1e870f0e3c2d1b36