Overhaul repo infrastructure

[jGaboardi]

This PR resolves #704 and resolves #716.

• swaps out black+isort+pyflakes for black+ruff
• swaps out versioneer for setuptools_scm
• removes all misc. infra in favor of pyproject.toml
• lints all code via ruff
• update string formatting to modern Python
• adds stacklevels to warnings
• update the release action (xref https://github.com/pysal/segregation/pull/216)

xref https://github.com/pysal/spopt/pull/353

[codecov[bot]]

Codecov Report

Merging #721 (e2026eb) into main (7dfb5e3) will increase coverage by 1.8%. The diff coverage is 100.0%.

@@           Coverage Diff           @@
##            main    #721     +/-   ##
=======================================
+ Coverage   97.6%   99.4%   +1.8%     
=======================================
  Files          3       4      +1     
  Lines       1176    1134     -42     
  Branches     299       0    -299     
=======================================
- Hits        1148    1127     -21     
  Misses         7       7             
+ Partials      21       0     -21     

Impacted Files	Coverage Δ
spaghetti/__init__.py	100.0% <100.0%> (ø)
spaghetti/analysis.py	100.0% <100.0%> (+1.9%)	:arrow_up:
spaghetti/network.py	99.2% <100.0%> (+1.8%)	:arrow_up:
spaghetti/util.py	100.0% <100.0%> (+1.7%)	:arrow_up: