improve CI tokens

[causten]

Multiple projects were using the same token, moving migraphx away from a common one that can often exceed rate limits and fail the job

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 92.04%. Comparing base (2c2085d) to head (0fa17f8). Report is 158 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #3477   +/-   ##
========================================
  Coverage    92.04%   92.04%           
========================================
  Files          506      506           
  Lines        20872    20872           
========================================
  Hits         19212    19212           
  Misses        1660     1660           

Flag	Coverage Δ
	92.04% <ø> (ø)

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