[CI only] Skip codecov for forks until they resolve tokenless uploads…

[levb]

https://github.com/nats-io/nats.c/pull/763 is currently failing to upload codecov reports, because of an issue in codecov. Until they resolve it, disable codecov for PRs from forked repos.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 68.71%. Comparing base (1553d4a) to head (311b54a).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #768   +/-   ##
=======================================
  Coverage   68.71%   68.71%           
=======================================
  Files          39       39           
  Lines       15207    15207           
  Branches     3143     3143           
=======================================
  Hits        10449    10449           
- Misses       1700     1701    +1     
+ Partials     3058     3057    -1     

:umbrella: View full report in Codecov by Sentry.
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[levb]

No I don't have a way of testing this, short of maybe you cutting a PR to my fork from your fork. This PR itself is the test that it still fires on our repo.

[kozlovic]

@levb I don't use forks, that's why I asked if the PR that demonstrated this issue (PR #763) could not add this one line fix to see if that solves the issue.