update to use omni bencher

[xlc]

requires the preset runtime API in new polkadot-sdk version so need to finish this later

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 48.43%. Comparing base (70cc666) to head (9b7e0d8).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2787   +/-   ##
=======================================
  Coverage   48.43%   48.43%           
=======================================
  Files          69       69           
  Lines        9454     9454           
=======================================
  Hits         4579     4579           
  Misses       4875     4875           

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