Improve pipeline

See merge request sharing/codeability-sharing-platform!95

# Conflicts:
#   src/main/webapp/app/editorialPages/pages.component.html
#   src/main/webapp/app/exercise/exercise-details/exercise-details.component.html
#   src/main/webapp/app/home/home.component.html
#   src/main/webapp/app/layouts/footer/footer.component.html
#   src/main/webapp/app/layouts/main/main.component.html
#   src/main/webapp/app/teaserContent/teaserContent.component.html

Format code with `npm run prettier:format`

See merge request sharing/codeability-sharing-platform!92

This reverts commit af68b142.

removed classpath from git and eclipse.prefs and changed pom to update h2 database because of vulnerability in old version + changed scope because test scope lead to build failures in vscode

This makes it implicitly depend on every job
from stages before it, so it has access to all the data it needs.