meta: update pull request template

[dingsdax]

• resolves: Adjust PR template sentry-python #4796
• resolves: PY-1841

[linear]

PY-1841 Adjust PR template sentry-python

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.55%. Comparing base (178c5d2) to head (2776276).
⚠️ Report is 2 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4803      +/-   ##
==========================================
- Coverage   84.58%   84.55%   -0.03%     
==========================================
  Files         158      158              
  Lines       16513    16513              
  Branches     2866     2866              
==========================================
- Hits        13967    13963       -4     
- Misses       1702     1703       +1     
- Partials      844      847       +3     

see 2 files with indirect coverage changes