FM / default

/snap/core20/2922/etc/default

Name	Size	Mode	Actions
cryptdisks	460	0644	edit dl rm
dbus	297	0644	edit dl rm
locale	15	0644	edit dl rm
nss	1756	0644	edit dl rm
ssh	133	0644	edit dl rm
swapfile	35	0644	edit dl rm
useradd	1118	0644	edit dl rm

Edit: /snap/core20/2922/etc/default/locale (15B)

LANG="C.UTF-8"