po: Add Finnish translation from JRfi, refined by me.

8 jobs for master in 25 minutes and 6 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Build
passed #317987
librem5
build:native

00:03:02

 
  Test
passed #317989
librem5
build-gtkdoc

00:02:17

passed #317990
librem5
check-po

00:00:26

passed #317988
librem5
test:native

00:02:41

 
  Package
passed #317991
librem5
package:deb-debian-buster

00:04:07

passed #317992
librem5:arm64
package:deb-debian-buster:arm64

00:11:45

 
  Test Package
passed #317993
librem5
autopkgtest-debian-buster-package

00:01:34

passed #317994
librem5
lintian-debian-buster-package

00:00:35