Draft: GitLab CI: add job to check "meta date" directives in PO files
A Weblate translation broke one such directive 3 days ago, which breaks the build of the website, and we did not spot it so far. Let's increase the chances we spot such problems.
A Weblate translation broke one such directive 3 days ago, which breaks the build of the website, and we did not spot it so far. Let's increase the chances we spot such problems.