Update Latvian translation

(cherry picked from commit 0e952a58)
5 jobs for master in 2 minutes and 38 seconds (queued for 1 second)
Status Job ID Name Coverage
  Dependencies
passed #456776
deps-git

00:02:38

failed #456777
deps-x86_64-w64-mingw32

00:02:25

 
  Gimp
skipped #456778
gimp-autotools
skipped #456779
gimp-meson
skipped #456780
gimp-x86_64-w64-mingw32-meson
 
Name Stage Failure
failed
deps-x86_64-w64-mingw32 Dependencies
The downloaded packages were saved in cache until the next successful transaction.
You can remove cached packages by executing 'dnf clean packages'.
Error: Error downloading packages:
Status code: 503 for https://mirrors.fedoraproject.org/metalink?repo=fedora-30&arch=x86_64
Uploading artifacts...
WARNING: .local/: no matching files
WARNING: _deps/: no matching files
ERROR: No files to upload
ERROR: Job failed: exit code 1