Open-space-toolkit-astrodynamics

**refactor**
- dynamics class to be more modular with propagator

**feat:**
- auto-pull most recent patch version of OSTk projects.
- add acceleration due to drag in Satellite Dynamics

**build:**
- remove python version metadata
- improve Python bindings build process following PEP517

**style:**
- python formatting
- whitespace fixes in header files

**chore:**
- remove "all" test from CMakeLists
- change set-output to use environment file in github CI

**fix**
- tabulated model python bindings

**feat**
- add various interpolation schemes to tabulated orbit model

**build**
- remove support for fedora
- remove support for python 3.6, 3.7