chore(deps): update hashicorp/vault docker tag to v1.16

[renovate]

This PR contains the following updates:

Package	Update	Change
hashicorp/vault	minor	1.15 -> 1.16

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 62.30%. Comparing base (5140498) to head (8ad3cb4).

❗ Current head 8ad3cb4 differs from pull request most recent head 233a537. Consider uploading reports for the commit 233a537 to get more accurate results

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Additional details and impacted files

@@           Coverage Diff           @@
##           master      #59   +/-   ##
=======================================
  Coverage   62.30%   62.30%           
=======================================
  Files          11       11           
  Lines         459      459           
=======================================
  Hits          286      286           
  Misses        117      117           
  Partials       56       56           

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