[Snyk] Security upgrade node from 14.1.0 to 14.17.1

[snyk-bot]

Keeping your Docker base image up-to-date means you’ll benefit from security fixes in the latest version of your chosen image.

Changes included in this PR

• Dockerfile

We recommend upgrading to node:14.17.1, as this image has only 537 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected.

Some of the most important vulnerabilities in your base image include:

Severity	Priority Score / 1000	Issue	Exploit Maturity
	821	HTTP Request Smuggling SNYK-UPSTREAM-NODE-1055465	Proof of Concept
	893	Privilege Escalation SNYK-UPSTREAM-NODE-1315789	Proof of Concept
	786	Out-of-bounds Read SNYK-UPSTREAM-NODE-1315790	No Known Exploit
	725	Insufficient Hostname Verification SNYK-UPSTREAM-NODE-570869	No Known Exploit
	725	Memory Corruption SNYK-UPSTREAM-NODE-570870	No Known Exploit

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[github-actions]

Scan Summary

Tool	Critical	High	Medium	Low	Status
Dependency Scan (nodejs)	18	53	39	6	❌
Security Audit for Infrastructure	0	0	1	1	✅
Shell Script Analysis	0	0	0	5	✅

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