kak: update submodule

diff --git a/dot-config/kak b/dot-config/kak
index 289223dd6cfa10074381dbb835bc255575aa2ed0..46b4d611186626ce1f324c4c4fe50133f08a1a46 160000 (submodule)
--- a/dot-config/kak
+++ b/dot-config/kak
@@ -1 +1 @@
-Subproject commit 289223dd6cfa10074381dbb835bc255575aa2ed0
+Subproject commit 46b4d611186626ce1f324c4c4fe50133f08a1a46