Vivarium-inputs

- Update internal dependencies.
- Fix black/click version discrepancy.

- Fix bug in covariate id parsing to int.
- Autoformat code with black and isort.
- Add black and isort checks to CI.

- Adjust max population upper bounds to allow non-national outputs.
- Squash some future warnings.
- Modernize CI.
- Add PR template.
- Update to BSD 3-clause license.
- Squash warnings in doc building
- Fix remote doc builds.

- Add special case relaxing negative PAF restrictions for child wasting

- Bugfix release update dependencies

- Bugfix release, special case for LBWSG data