fix build with cmake 4

[biojppm]

re biojppm/rapidyaml#505

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.91%. Comparing base (b04999c) to head (6a3e8ff).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #150   +/-   ##
=======================================
  Coverage   96.91%   96.91%           
=======================================
  Files          28       28           
  Lines        3144     3144           
=======================================
  Hits         3047     3047           
  Misses         97       97           

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[coveralls]

Pull Request Test Coverage Report for Build 14089049570

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 96.857%

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Totals
Change from base Build 13345144923:	0.0%
Covered Lines:	3113
Relevant Lines:	3214

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💛 - Coveralls