[tx-robot] updated from transifex

apps/files/l10n/de.js

apps/files/l10n/de.json

apps/files/l10n/de_DE.js

apps/files/l10n/de_DE.json

apps/files/l10n/it.js

apps/files/l10n/it.json

apps/user_webdavauth/l10n/hy.js

apps/user_webdavauth/l10n/hy.json

lib/l10n/ast.js

lib/l10n/ast.json

lib/l10n/bg_BG.js

lib/l10n/bg_BG.json

lib/l10n/ca.js

lib/l10n/ca.json

lib/l10n/cs_CZ.js

lib/l10n/cs_CZ.json

lib/l10n/da.js

lib/l10n/da.json

lib/l10n/de.js

lib/l10n/de.json