use a feature check for single method table over version check

[KristofferC]

makes the check also work on (upcoming) 1.12

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.12%. Comparing base (64c4c0c) to head (f21afce).
Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #700   +/-   ##
=======================================
  Coverage   72.12%   72.12%           
=======================================
  Files          24       24           
  Lines        3483     3483           
=======================================
  Hits         2512     2512           
  Misses        971      971           

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[maleadt]

Thanks!