[Snyk] Security upgrade mysql2 from 2.3.0 to 3.9.8

[ruqqq]

This PR was automatically created by Snyk using the credentials of a real user.


Snyk has created this PR to fix 1 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• package.json
• package-lock.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Prototype Pollution SNYK-JS-MYSQL2-6861580	803

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• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

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🦉 Prototype Pollution

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.19%. Comparing base (63c5b70) to head (fa46b29).

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Additional details and impacted files

@@           Coverage Diff           @@
##           master     #115   +/-   ##
=======================================
  Coverage   92.19%   92.19%           
=======================================
  Files          13       13           
  Lines         589      589           
  Branches      112      112           
=======================================
  Hits          543      543           
  Misses         46       46           

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