Implement `PpafmParameters` class based on `pydantic.BaseModel` #793

Job	Run time
Test docker image on ubuntu-latest	2m 9s
test-package (3.7)	4m 1s
test-package (3.9)	4m 0s
test-package (3.10)	4m 0s
test-package (3.11)	3m 39s
test-package (3.12)	4m 4s
	21m 53s

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