fix: update python init templates dev dep on pytest to latest

[svidgen]

Python templates started failing with:

ImportError: cannot import name 'Config' from 'pytest'

Updating to latest pytest dev-dep on local repro fixes this error.

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.49%. Comparing base (c0d5863) to head (7af8563).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #930      +/-   ##
==========================================
- Coverage   84.22%   83.49%   -0.74%     
==========================================
  Files          71       71              
  Lines       10401    10401              
  Branches     1327     1315      -12     
==========================================
- Hits         8760     8684      -76     
- Misses       1603     1678      +75     
- Partials       38       39       +1     

Flag	Coverage Δ
suite.unit	83.49% <ø> (-0.74%)	⬇️

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