update publish actions to use trusted publisher

Feature fit frame exterior (#28)

* separate cv to oty ext param conversion into _cv_ext_to_oty_ext

* add to dos

* add fit_frame()

* offset coordinates in _cv_ext_to_oty_ext() to fix float32 precision issues

* add tests for fit_frame()

* add fit_frame_exterior()

* add tests for fit_frame_exterior()

* fix changing loop var in loop

* increment version

* add note about fisheye behaviour

* better splitting of gcps over images

* make fit_frame() & its tests private to avoid a windows OpenCV 4.11 specific issue for now

supported python >= 3.9

update CLI note

Merge branch 'main' of https://github.com/leftfield-geospatial/orthority



# Conflicts:
#	README.rst

add badges

Merge pull request #9 from leftfield-geospatial/feature-polygon_ortho…

…_bounds

Feature polygon ortho bounds

Prior to non-georeferenced source image support