see [cartopy issue 268](https://github.com/SciTools/cartopy/issues/2681) ([matplotlib issue 31926](https://github.com/matplotlib/matplotlib/issues/31926) got refused) this lets several of the unit and integration tests fail workaround: pin matplotlib to 3.10
see cartopy issue 268
(matplotlib issue 31926 got refused)
this lets several of the unit and integration tests fail
workaround: pin matplotlib to 3.10