highlights(proto): highlight optional

`optional` came back with protobuf 3.15 as a valid modifier so highlight
it the same way as `repeated`.
This commit is contained in:
Matthias Vogelgesang 2022-10-04 13:31:29 +02:00 committed by Stephan Seitz
parent a5dd688b5a
commit f051eb2b26

View file

@ -9,6 +9,7 @@
"message"
"enum"
"oneof"
"optional"
"repeated"
"reserved"
"to"