Update to cadence v0.31.1

[SupunS]

Description

Update cadence version to v0.31.1

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For contributor use:

• Targeted PR against master branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the standards mentioned here.
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
• Added appropriate labels

[codecov-commenter]

Codecov Report

Merging #334 (64581ec) into master (edaef46) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #334   +/-   ##
=======================================
  Coverage   65.47%   65.47%           
=======================================
  Files          21       21           
  Lines        2007     2007           
=======================================
  Hits         1314     1314           
  Misses        570      570           
  Partials      123      123           

Flag	Coverage Δ
unittests	65.47% <ø> (ø)

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