math/R-cran-haven: updated to version 2.1.0

• removed PORTREVISION due to version bump
• add new test dependencies:
  • devel/R-cran-cli
  • devel/R-cran-crayon
  • devel/R-cran-pillar
• update website URL to align with CRAN package
• no changelog provided

Generated by: portcran (0.1.9)