[Snyk] Fix for 2 vulnerabilities

[3lLobo]

Snyk has created this PR to fix 2 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• backend/package.json
• backend/package-lock.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Regular Expression Denial of Service (ReDoS) SNYK-JS-DIFF-14917201	708
	Use of a Cryptographic Primitive with a Risky Implementation SNYK-JS-ELLIPTIC-14908844	708

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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Regular Expression Denial of Service (ReDoS)