fix: pin @azure/cosmos to 3.16.4 due to issue with 3.17.0

[shazron]

See Azure/azure-sdk-for-js#22968

How Has This Been Tested?

npm test

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Merging #83 (6602643) into master (ab835e0) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master       #83   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            6         6           
  Lines          164       164           
  Branches        32        32           
=========================================
  Hits           164       164           

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