[tx-robot] updated from transifex

apps/files/l10n/eu.js

apps/files/l10n/eu.json

apps/settings/l10n/pl.js

apps/settings/l10n/pl.json

apps/settings/l10n/zh_CN.js

apps/settings/l10n/zh_CN.json

core/l10n/ca.js

core/l10n/ca.json

core/l10n/de.js

core/l10n/de.json

core/l10n/de_DE.js

core/l10n/de_DE.json

core/l10n/es.js

core/l10n/es.json

core/l10n/gl.js

core/l10n/gl.json

core/l10n/it.js

core/l10n/it.json

core/l10n/pl.js

core/l10n/pl.json