[tx-robot] updated from transifex

apps/dav/l10n/sl.js

apps/dav/l10n/sl.json

apps/settings/l10n/fr.js

apps/settings/l10n/fr.json

core/l10n/ar.js

core/l10n/ar.json

core/l10n/bg.js

core/l10n/bg.json

core/l10n/br.js

core/l10n/br.json

core/l10n/ca.js

core/l10n/ca.json

core/l10n/cs.js

core/l10n/cs.json

core/l10n/da.js

core/l10n/da.json

core/l10n/de.js

core/l10n/de.json

core/l10n/de_DE.js

core/l10n/de_DE.json