git: Enable clone.filterSubmodules

> If a partial clone filter is provided (see --filter in
> git-rev-list(1)) and --recurse-submodules is used, also apply the
> filter to submodules.

I have never used --filter before, but it sounds as if I want this
enabled in the case that I do.

.config/git/config

@@ -49,6 +49,8 @@
 [branch]
 	autosetuprebase = always
 	sort = -committerdate
+[clone]
+	filterSubmodules = yes
 [color "status"]
 	added = 076
 	untracked = 014