Fix internet check failure

[olethanh]

Upgrade diagnostic VM to use an ethereum url that don't return 307

https://ethereum.org changed to now return 307
which make the internet check fail and impact node owner score

Internet check : Accept code other than 200 as proper result

The diagnostic VM use raise_for_error to see if it accept the response
this code check if status_code < 400

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.57%. Comparing base (28582cf) to head (3567e31).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #799      +/-   ##
==========================================
+ Coverage   64.53%   64.57%   +0.03%     
==========================================
  Files          78       78              
  Lines        7092     7093       +1     
  Branches      598      598              
==========================================
+ Hits         4577     4580       +3     
+ Misses       2315     2313       -2     
  Partials      200      200              

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