Update submodule to latest commit (#439)

Matthew Murray · web-flow · commit cb4e74213480 · 2021-12-22T23:08:05.000-05:00
diff --git a/src/known-folders b/src/known-folders
@@ -1 +1 @@
-Subproject commit 0c6c4849ddcdfb4f362573ea6e917e05e01dba47
+Subproject commit 9db1b99219c767d5e24994b1525273fe4031e464
