update fontawesome version to 5.12.0

3 jobs for master in 23 seconds
Status Job ID Name Coverage
  Build
failed #12441
build

00:00:23

failed #12430
build

00:00:29

 
  Deploy
skipped #12431
restricted
deploy
 
Name Stage Failure
failed
build Build
make clean
make[1]: Entering directory '/home/gitlab-runner/builds/a354a37e/0/Dynare/website/assets/images/logo'
rm -rf *.pdf *.log *.aux auto
make[1]: Leaving directory '/home/gitlab-runner/builds/a354a37e/0/Dynare/website/assets/images/logo'
$ bundle exec jekyll build
Configuration file: /home/gitlab-runner/builds/a354a37e/0/Dynare/website/_config.yml
jekyll 3.8.6 | Error: uninitialized constant Faraday::Error::ClientError
Did you mean? Faraday::ClientError
ERROR: Job failed: exit status 1