Translation ignore list behaves unexpected

[nickvergessen]

• All ignore lists work with * but the .l10nignore Fix translation ignore activity#888
• Even worse: it is a bit random which exclude list is being used. Since the ignore list is decided in the header https://github.com/nextcloud/docker-ci/blob/master/translations/translationtool/src/translationtool.php#L34-L56 before any branch is checked out, the exclude list for all branches is the same instead the one of the branch. Fix translation ignore activity#888