ci: ignore spec reference links

[jooola]

The spec reference anchors are no longer generated server side, lychee therefore cannot check them.

Ignore all the reference links until a better solution is found.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.64%. Comparing base (911f1ae) to head (31ffdd2).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #624   +/-   ##
=======================================
  Coverage   96.64%   96.64%           
=======================================
  Files          76       76           
  Lines        4029     4029           
=======================================
  Hits         3894     3894           
  Misses        135      135           

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