doc: add types for some `process` properties
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
documentation is changed or added -
commit message follows commit guidelines
Sync types:
-
process.channel
withsubprocess.channel
; -
process.execArgv
withprocess.argv
; -
process.mainModule
withmodule
; -
process.release
withprocess.versions
.