Log Message:
devel/ruby-regexp_parser: update to 2.8.3

2.8.3 (2023-12-04)

Fixed

* fixed scanner errors for insignificant leading zeros in numerical group
  refs
  - e.g. (a)\k<01>, (a)\g<-01>, (a)?(?(01)b|c)
  - thanks to Markus Schirp for the report