Pyramm

What's Changed
* Allow python 3.12 by johnbullnz in https://github.com/captif-nz/pyramm/pull/37


**Full Changelog**: https://github.com/captif-nz/pyramm/compare/v1.34...v1.35

- Update the chainage generation function
- Add a viewport generation function

**Full Changelog**: https://github.com/captif-nz/pyramm/compare/v1.32...v1.33

- add 50, 20 and 10 m flags to chainage layer

- fix bug with nearest_feature method when the point coincides with the RAMM centreline

- drop rows with missing geometry

- add ends_only option to append_geometry