[Snyk] Fix for 2 vulnerabilities

[designfrontier]

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 `npm` dependencies of this project.

#### Changes included in this PR - Changes to the following files to upgrade the vulnerable dependencies to a fixed version: - package.json - package-lock.json #### Vulnerabilities that will be fixed ##### With an upgrade: Severity | Priority Score (*) | Issue | Breaking Change | Exploit Maturity :-------------------------:|-------------------------|:-------------------------|:-------------------------|:-------------------------  | **399/1000**
**Why?** Has a fix available, CVSS 3.7 | Cross-site Scripting (XSS)
[SNYK-JS-STRIPTAGS-1312310](https://snyk.io/vuln/SNYK-JS-STRIPTAGS-1312310) | No | 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-WS-1296835](https://snyk.io/vuln/SNYK-JS-WS-1296835) | No | Proof of Concept (*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: striptags

The new version differs by 3 commits.

• f252a6b Merge pull request from GHSA-qxg5-2qff-p49r
• 2719515 fix: throw TypeError if 'html' is non-string argument
• 27a5dd9 Update README.md example output

See the full diff

Package name: ws

The new version differs by 85 commits.

• 9bdb580 [dist] 6.2.2
• 78c676d [security] Fix ReDoS vulnerability
• d57db27 [dist] 6.2.1
• 40734d8 [minor] Add missing option in JSDoc comment
• 0556f31 [doc] Add TOC to ws.md (#1539)
• aa1dcd5 [fix] Make `WebSocket#close()` set the close timer immediately
• 297f56d [minor] Remove unneeded `if` statement
• bcab373 [test] Increase code coverage
• 3a5a20a Revert "[ci] Cache dependencies"
• 9a89e5d [ci] Cache dependencies
• 7f5025d [test] Fix flaky test
• 148c373 [test] Prefer arrow functions
• 3df8242 [test] Remove comment to disable eslint rule
• a40e29f [minor] Remove length threshold
• 6c22584 [minor] Buffer writes if the frame to send is made of multiple chunks
• 1842197 [test] Remove useless test
• eb6f8b0 [dist] 6.2.0
• 161f303 [feature] Add ability to follow redirects (#1490)
• a6e94f4 [minor] Move all buffer conversion functions to the buffer-util module
• 71ee9ed chore(package): update eslint to version 5.15.0 (#1522)
• 855494d [test] Fix flaky test
• 8c21add [codestyle] Add .gitattributes
• faf9b36 [ci] Let Travis CI handle x64 Windows tests
• bcb8a98 [ci] Test on macOS

See the full diff

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/designfrontier/project/f06f4d48-f2f3-454d-84d8-ab96da76f948?utm_source=github&utm_medium=referral&page=fix-pr) 🛠 [Adjust project settings](https://app.snyk.io/org/designfrontier/project/f06f4d48-f2f3-454d-84d8-ab96da76f948?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":"53835eab-ef9e-404a-8481-a3cf5333c453","prPublicId":"53835eab-ef9e-404a-8481-a3cf5333c453","dependencies":[{"name":"striptags","from":"3.1.1","to":"3.2.0"},{"name":"ws","from":"6.0.0","to":"6.2.2"}],"packageManager":"npm","projectPublicId":"f06f4d48-f2f3-454d-84d8-ab96da76f948","projectUrl":"https://app.snyk.io/org/designfrontier/project/f06f4d48-f2f3-454d-84d8-ab96da76f948?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-JS-WS-1296835","SNYK-JS-STRIPTAGS-1312310"],"upgrade":["SNYK-JS-STRIPTAGS-1312310","SNYK-JS-WS-1296835"],"isBreakingChange":false,"env":"prod","prType":"fix","templateVariants":["priorityScore"],"priorityScoreList":[586,399]}) --- **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) 🦉 [Cross-site Scripting (XSS)](https://learn.snyk.io/lessons/xss/javascript/?loc=fix-pr)