[Snyk] Security upgrade swagger-ui-express from 4.1.6 to 4.2.0

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `yarn` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • api/package.json
  • api/yarn.lock

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	484/1000 Why? Has a fix available, CVSS 5.4	User Interface (UI) Misrepresentation of Critical Information SNYK-JS-SWAGGERUIDIST-2314884	No	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Check the changes in this PR to ensure they won't cause issues with your project.

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