Linting and pre-commit updates

[ml-evs]

This PR takes some changes from #32 to clean it up a bit.

• Pre-commit autoupdate
• Pyupgrade to 3.9+
• Use recommended mypy + pydantic settings (and make a couple of tweaks so it passes)

[codecov-commenter]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (6dafdd2) 44.33% compared to head (b655cd5) 44.31%.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop      #52      +/-   ##
===========================================
- Coverage    44.33%   44.31%   -0.03%     
===========================================
  Files           42       42              
  Lines         4265     4263       -2     
  Branches       868      868              
===========================================
- Hits          1891     1889       -2     
  Misses        2192     2192              
  Partials       182      182              

Files	Coverage Δ
src/jobflow_remote/cli/admin.py	31.11% <100.00%> (ø)
src/jobflow_remote/cli/execution.py	84.61% <100.00%> (-1.10%)	⬇️
src/jobflow_remote/cli/jf.py	33.33% <100.00%> (ø)
src/jobflow_remote/cli/jfr_typer.py	95.65% <100.00%> (ø)
src/jobflow_remote/cli/job.py	25.82% <100.00%> (-0.41%)	⬇️
src/jobflow_remote/cli/project.py	45.23% <100.00%> (ø)
src/jobflow_remote/cli/runner.py	28.00% <100.00%> (ø)
src/jobflow_remote/cli/types.py	89.58% <100.00%> (-0.22%)	⬇️
src/jobflow_remote/config/settings.py	92.00% <100.00%> (ø)
src/jobflow_remote/jobs/runner.py	57.96% <ø> (ø)
... and 4 more