[Snyk] Fix for 13 vulnerabilities

[jmesserli]

This PR was automatically created by Snyk using the credentials of a real user.

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

#### Changes included in this PR - Changes to the following files to upgrade the vulnerable dependencies to a fixed version: - frontend/package.json

⚠️ Warning

``` Failed to update the yarn.lock, please update manually before merging. ```

#### Vulnerabilities that will be fixed ##### With an upgrade: Severity | Priority Score (*) | Issue | Breaking Change | Exploit Maturity :-------------------------:|-------------------------|:-------------------------|:-------------------------|:-------------------------  | **619/1000**
**Why?** Has a fix available, CVSS 8.1 | Prototype Pollution
[SNYK-JS-AJV-584908](https://snyk.io/vuln/SNYK-JS-AJV-584908) | Yes | No Known Exploit  | **409/1000**
**Why?** Has a fix available, CVSS 3.9 | Cross-site Scripting (XSS)
[SNYK-JS-ANGULARCORE-1070902](https://snyk.io/vuln/SNYK-JS-ANGULARCORE-1070902) | Yes | No Known Exploit  | **586/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-GLOBPARENT-1016905](https://snyk.io/vuln/SNYK-JS-GLOBPARENT-1016905) | Yes | Proof of Concept  | **479/1000**
**Why?** Has a fix available, CVSS 5.3 | Signature Verification Bypass
[SNYK-JS-JWTSIMPLE-174523](https://snyk.io/vuln/SNYK-JS-JWTSIMPLE-174523) | No | No Known Exploit  | **479/1000**
**Why?** Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-MARKED-174116](https://snyk.io/vuln/SNYK-JS-MARKED-174116) | Yes | No Known Exploit  | **586/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-MARKED-2342073](https://snyk.io/vuln/SNYK-JS-MARKED-2342073) | Yes | Proof of Concept  | **586/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-MARKED-2342082](https://snyk.io/vuln/SNYK-JS-MARKED-2342082) | Yes | Proof of Concept  | **479/1000**
**Why?** Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-MARKED-451540](https://snyk.io/vuln/SNYK-JS-MARKED-451540) | Yes | No Known Exploit  | **520/1000**
**Why?** Has a fix available, CVSS 5.9 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-MARKED-584281](https://snyk.io/vuln/SNYK-JS-MARKED-584281) | Yes | No Known Exploit  | **589/1000**
**Why?** Has a fix available, CVSS 7.5 | Directory Traversal
[SNYK-JS-MOMENT-2440688](https://snyk.io/vuln/SNYK-JS-MOMENT-2440688) | No | No Known Exploit  | **696/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 7.5 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-MOMENT-2944238](https://snyk.io/vuln/SNYK-JS-MOMENT-2944238) | No | Proof of Concept  | **506/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 3.7 | Regular Expression Denial of Service (ReDoS)
[npm:braces:20180219](https://snyk.io/vuln/npm:braces:20180219) | No | Proof of Concept  | **399/1000**
**Why?** Has a fix available, CVSS 3.7 | Regular Expression Denial of Service (ReDoS)
[npm:moment:20170905](https://snyk.io/vuln/npm:moment:20170905) | No | No Known Exploit (*) Note that the real score may have changed since the PR was raised. Check the changes in this PR to ensure they won't cause issues with your project. ------------ **Note:** *You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.* For more information: 🧐 [View latest project report](https://app.snyk.io/org/outcobra/project/cb364593-869f-49f9-b30b-084ab207a6f4?utm_source=github&utm_medium=referral&page=fix-pr) 🛠 [Adjust project settings](https://app.snyk.io/org/outcobra/project/cb364593-869f-49f9-b30b-084ab207a6f4?utm_source=github&utm_medium=referral&page=fix-pr/settings) 📚 [Read more about Snyk's upgrade and patch logic](https://support.snyk.io/hc/en-us/articles/360003891078-Snyk-patches-to-fix-vulnerabilities) [//]: # (snyk:metadata:{"prId":"f01a1825-5d60-4fa7-b653-a90a3bc051cb","prPublicId":"f01a1825-5d60-4fa7-b653-a90a3bc051cb","dependencies":[{"name":"@angular-devkit/core","from":"0.0.29","to":"8.3.29"},{"name":"@angular/core","from":"5.2.3","to":"11.0.5"},{"name":"jwt-simple","from":"0.5.1","to":"0.5.3"},{"name":"moment","from":"2.18.1","to":"2.29.4"},{"name":"ngx-md","from":"3.1.0","to":"4.0.0"}],"packageManager":"yarn","projectPublicId":"cb364593-869f-49f9-b30b-084ab207a6f4","projectUrl":"https://app.snyk.io/org/outcobra/project/cb364593-869f-49f9-b30b-084ab207a6f4?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["npm:braces:20180219","npm:moment:20170905","SNYK-JS-MOMENT-2944238","SNYK-JS-MOMENT-2440688","SNYK-JS-MARKED-584281","SNYK-JS-MARKED-451540","SNYK-JS-MARKED-2342082","SNYK-JS-MARKED-2342073","SNYK-JS-MARKED-174116","SNYK-JS-JWTSIMPLE-174523","SNYK-JS-GLOBPARENT-1016905","SNYK-JS-ANGULARCORE-1070902","SNYK-JS-AJV-584908"],"upgrade":["SNYK-JS-AJV-584908","SNYK-JS-ANGULARCORE-1070902","SNYK-JS-GLOBPARENT-1016905","SNYK-JS-JWTSIMPLE-174523","SNYK-JS-MARKED-174116","SNYK-JS-MARKED-2342073","SNYK-JS-MARKED-2342082","SNYK-JS-MARKED-451540","SNYK-JS-MARKED-584281","SNYK-JS-MOMENT-2440688","SNYK-JS-MOMENT-2944238","npm:braces:20180219","npm:moment:20170905"],"isBreakingChange":true,"env":"prod","prType":"fix","templateVariants":["pr-warning-shown","priorityScore"],"priorityScoreList":[506,399,696,589,520,479,586,586,479,479,586,409,619]}) --- **Learn how to fix vulnerabilities with free interactive lessons:** 🦉 [Regular Expression Denial of Service (ReDoS)](https://learn.snyk.io/lessons/redos/javascript/?loc=fix-pr) 🦉 [Regular Expression Denial of Service (ReDoS)](https://learn.snyk.io/lessons/redos/javascript/?loc=fix-pr) 🦉 [Regular Expression Denial of Service (ReDoS)](https://learn.snyk.io/lessons/redos/javascript/?loc=fix-pr) 🦉 [More lessons are available in Snyk Learn](https://learn.snyk.io?loc=fix-pr)