Security upgrade node from 14.4.0-alpine to 14.18.2-alpine

[cloudgeek7]

Changes included in this PR

• vuejs/vuejs/Dockerfile

We recommend upgrading to node:14.18.2-alpine, as this image has only 0 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
	500	Out-of-bounds ReadSNYK-ALPINE311-APKTOOLS-1534687	No Known Exploit
	400	Improper Certificate ValidationSNYK-ALPINE311-OPENSSL-1089242	No Known Exploit
	400	Out-of-bounds ReadSNYK-ALPINE311-OPENSSL-1569447	No Known Exploit
	500	Buffer OverflowSNYK-ALPINE311-OPENSSL-1569451	No Known Exploit
	500	Buffer OverflowSNYK-ALPINE311-OPENSSL-1569451	No Known Exploit