Set sys.stdout to utf-8

[gpotter2]

• force sys.stdout to be utf-8

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.27%. Comparing base (d2f076f) to head (a6db0a3).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4977      +/-   ##
==========================================
- Coverage   80.27%   80.27%   -0.01%     
==========================================
  Files         382      382              
  Lines       93995    93996       +1     
==========================================
- Hits        75457    75455       -2     
- Misses      18538    18541       +3     

Files with missing lines	Coverage Δ
scapy/tools/UTscapy.py	65.37% <100.00%> (+0.04%)	⬆️

... and 8 files with indirect coverage changes

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.