[tx-robot] updated from transifex

apps/files/l10n/de.js

apps/files/l10n/de.json

apps/files/l10n/es.js

apps/files/l10n/es.json

apps/files_external/l10n/de.js

apps/files_external/l10n/de.json

apps/files_external/l10n/es.js

apps/files_external/l10n/es.json

apps/files_external/l10n/lt_LT.js

apps/files_external/l10n/lt_LT.json

core/l10n/ast.js

core/l10n/ast.json

core/l10n/bg_BG.js

core/l10n/bg_BG.json

core/l10n/bs.js

core/l10n/bs.json

core/l10n/ca.js

core/l10n/ca.json

core/l10n/cs_CZ.js

core/l10n/cs_CZ.json