Update check-release workflow

[afshin]

Update link check regular expressions

[codecov-commenter]

Codecov Report

Merging #558 (34fa3d4) into master (37b3015) will increase coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #558      +/-   ##
==========================================
+ Coverage   76.95%   76.99%   +0.04%     
==========================================
  Files         109      109              
  Lines        9948     9948              
  Branches     1078     1078              
==========================================
+ Hits         7655     7659       +4     
+ Misses       1912     1909       -3     
+ Partials      381      380       -1     

Impacted Files	Coverage Δ
jupyter_server/tests/services/kernels/test_api.py	97.05% <0.00%> (-1.97%)	⬇️
jupyter_server/services/kernels/handlers.py	62.96% <0.00%> (+1.58%)	⬆️

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[blink1073]

Thanks!