chore: update function test to point to node 14

[alharris-at]

Description of changes

Function now uses node14, need to update our tests accordingly.

Issue #, if available

Description of how you validated changes

Checklist

• PR description included
• yarn test passes
• Tests are changed or added
• Relevant documentation is changed or added (and PR referenced)
• New AWS SDK calls or CloudFormation actions have been added to relevant test and service IAM policies

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

Merging #460 (8c032f3) into main (dbd2228) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #460   +/-   ##
=======================================
  Coverage   72.08%   72.08%           
=======================================
  Files         208      208           
  Lines       13471    13471           
  Branches     3200     3200           
=======================================
  Hits         9710     9710           
  Misses       3454     3454           
  Partials      307      307           

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[AaronZyLee]

Let's ship it and see if the e2e tests pass in circle.