git:last-changed: Print committer name too

I am still unsure if I want the author or committer name. For the date I
think it makes sense to have the committer date since it reflects better
when the branch last changed.

.config/zsh/autoload/git/git-last-changed

@@ -17,7 +17,7 @@ local color_set
 ls -1p --color="$color_set" "$@" \
 | while read -r line; do
 	sanitized_line="$(sed 's/\x1b\[[^m]*m//g' <<<"$line")"
-	git_info="$(git log -1 --format=$'%ci\t%s' -- "$sanitized_line")"
+	git_info="$(git log -1 --format=$'%ci\t%cn\t%s' -- "$sanitized_line")"
 	printf "%s\t%s\n" "$line" "$git_info"
 done \
 | sort -r -t$'\t' -k2,2 \