[tx-robot] updated from transifex

apps/files/l10n/ar.js

apps/files/l10n/ar.json

apps/files/l10n/ast.js

apps/files/l10n/ast.json

apps/files/l10n/bg_BG.js

apps/files/l10n/bg_BG.json

apps/files/l10n/bn_BD.js

apps/files/l10n/bn_BD.json

apps/files/l10n/ca.js

apps/files/l10n/ca.json

apps/files/l10n/cs_CZ.js

apps/files/l10n/cs_CZ.json

apps/files/l10n/da.js

apps/files/l10n/da.json

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/el.js

apps/files/l10n/el.json