fix(argoexec): updated jq version to 1.6. Fixes #1936

[wreed4]

Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this is a chore.
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[claassistantio]

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[codecov]

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@@           Coverage Diff            @@
##             master   #1937   +/-   ##
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  Coverage          ?   10.7%           
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  Files             ?      35           
  Lines             ?   25033           
  Branches          ?       0           
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  Hits              ?    2681           
  Misses            ?   22012           
  Partials          ?     340

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[wreed4]

fixes #1936