[tx-robot] updated from transifex

apps/files/l10n/sr.js

apps/files/l10n/sr.json

apps/files_encryption/l10n/gl.js

apps/files_encryption/l10n/gl.json

apps/files_external/l10n/gl.js

apps/files_external/l10n/gl.json

apps/user_ldap/l10n/fr.js

apps/user_ldap/l10n/fr.json

apps/user_ldap/l10n/sr.js

apps/user_ldap/l10n/sr.json

core/l10n/bg_BG.js

core/l10n/bg_BG.json

core/l10n/bs.js

core/l10n/bs.json

core/l10n/cs_CZ.js

core/l10n/cs_CZ.json

core/l10n/da.js

core/l10n/da.json

core/l10n/de.js

core/l10n/de.json