Also, remove a bunch of flake errors that we are not causing

resolve linting errors flagged by mypy
ignore mypy errors in ipam and _ipam as there modules are scheduled to be reworked at a later point in time
move setup.py functionality into pyproject.toml

Merge e3fab4ac

Merge up to 4c346d4f

Merge up to b25e7012

Merge 1779de6b

Merge df0cd9c9

Merge up to 028a2d46

Finish merging develop into NAT-185

Finish merge develop into NAT-185

Finish merge develop into NAT-185