[tx-robot] updated from transifex

apps/dav/l10n/he.js

apps/dav/l10n/he.json

apps/files_sharing/l10n/sr.js

apps/files_sharing/l10n/sr.json

apps/oauth2/l10n/es.js

apps/oauth2/l10n/es.json

apps/oauth2/l10n/sr.js

apps/oauth2/l10n/sr.json

apps/systemtags/l10n/he.js

apps/systemtags/l10n/he.json

apps/theming/l10n/es.js

apps/theming/l10n/es.json

apps/theming/l10n/sr.js

apps/theming/l10n/sr.json

apps/updatenotification/l10n/es.js

apps/updatenotification/l10n/es.json

apps/updatenotification/l10n/sr.js

apps/updatenotification/l10n/sr.json

core/l10n/lv.js

core/l10n/lv.json