Implement `PpafmParameters` class based on `pydantic.BaseModel` #779

Job	Run time
Test docker image on ubuntu-latest	33s
test-package (3.7)	5m 14s
test-package (3.9)	3m 59s
test-package (3.10)	3m 49s
test-package (3.11)	3m 45s
test-package (3.12)	5m 0s
	22m 20s

Provide feedback