Update dependency swagger-ui-express to v4.2.0

[mend-for-github-com[bot]]

This PR contains the following updates:

Package	Type	Update	Change
swagger-ui-express	dependencies	minor	4.1.6 -> 4.2.0

By merging this PR, the below issues will be automatically resolved and closed:

Severity	CVSS Score	CVE	GitHub Issue
Medium	6.1	CVE-2021-46708	#140
Medium	6.1	WS-2021-0461	#96
Medium	4.3	CVE-2018-25031	#142

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Release Notes

scottie1984/swagger-ui-express

### [`v4.2.0`](https://togithub.com/scottie1984/swagger-ui-express/compare/4.1.6...4.2.0) [Compare Source](https://togithub.com/scottie1984/swagger-ui-express/compare/4.1.6...4.2.0)

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