Chore: version management

[thekaveman]

Standardizing on managing the version string in the pyproject.toml across Benefits projects.

See also cal-itp/benefits#1729.

How to review

1. Checkout this branch
2. Rebuild app and devcontainer without caching docker compose build --no-cache server then the same for dev
3. Run docker compose run --entrypoint bash server to attach to a server container
4. Confirm pip freeze shows output similar to (look for the line mentioning eligibility-server):

$ docker compose run --entrypoint bash server
calitp@c8f477bfee23:~/app$ pip freeze
aniso8601==9.0.1
blinker==1.6.2
certifi==2023.7.22
cffi==1.15.1
charset-normalizer==3.2.0
click==8.1.7
cryptography==41.0.3
Deprecated==1.2.14
eligibility-api==2023.9.1
# Editable Git install with no remote (eligibility-server==2023.9.1)
-e /home/calitp/app
Flask==2.3.3
...

5. Launch devcontainer
6. Confirm all tests pass

[machikoyasuda]

Confirmed:

eligibility-api==2023.9.1
-e git+https://github.com/cal-itp/eligibility-server.git@35c552b28b5299eea8749f434727aeed0f355f30#egg=eligibility_server

Ran tests and healthcheck

[angela-tran]

I was able to run through all the steps for testing this ✅