Glotter2

* Fix crash when running tests for [sample-programs][sample-programs]
with glotter 0.2.x
* Upgrade dependencies to latest version:
* `docker >=6.0.1, <7`
* `Jinja >=3.1.2, <4`
* `pytest >=7.2.1, <8`
* `PyYAML >=6.0, <7`
* Upgrade python to 3.8 or above