[Snyk] Security upgrade jquery-validation from 1.19.1 to 1.19.3

[snyk-bot]

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

As this is a private repository, Snyk-bot does not have access. Therefore, this PR has been created automatically, but appears to have been created by a real user.

Changes included in this PR

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

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	661/1000 Why? Recently disclosed, Has a fix available, CVSS 7.5	Regular Expression Denial of Service (ReDoS) SNYK-JS-JQUERYVALIDATION-1056868	No	No Known Exploit

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

Commit messages

Package name: jquery-validation

The new version differs by 13 commits.

• 45b9e28 Release:1.19.3
• 5d8f29e Core: fixed Regular Expression Denial of Service vulnerability (#2371)
• b8d6646 Localization: Add "pattern" translation for French (#2363)
• b9c793c docs: Fix simple typo, atteched -> attached (#2345)
• 8319330 Update messages_tr.js (#2343)
• b0e3b11 Add Accessibility section to Readme (#2149)
• 79bed39 Core: Replaced deprecated jQuery functions
• af445b3 chore: added more release tasks
• cd1ce52 Build: Updating the master version to 1.19.3-pre.
• d3748a2 Core: Fixes deprecated calls to jQuery trim (#2328)
• 25a0f14 Create FUNDING.yml
• 5426dcb chore: updated build docs (#2288)
• 05e35ea Build: Updating the master version to 1.19.2-pre.

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