Update build script

1 job for deutsche-ausgabe in 1 minute and 43 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
failed #185577
build

00:01:43

 
Name Stage Failure
failed
build Test
Skipping Git submodules setup
/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8)
$ pwd
/builds/hoou/tekethics-booklet
$ pandoc ./de/.pandoc-config.yml ./de/*.md --latex-engine=xelatex -V commithash=$CI_COMMIT_SHA -V buildtag=$CI_COMMIT_TAG -V jobid=$CI_JOB_ID -H ./de/preamble.tex -B frontmatter.tex -o tekethics_booklet_nocover_de.pdf -B frontmatter.tex --template=book.latex -A ./de/backmatter.tex
--latex-engine has been removed. Use --pdf-engine instead.
Try pandoc --help for more information.
/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8)
ERROR: Job failed: exit code 1