[Snyk] Security upgrade @twilio/flex-plugin-scripts from 6.0.3 to 6.2.0

[twilio-product-security]

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: - experimental-flex-dialpad/ui-src/package.json #### Vulnerabilities that will be fixed ##### With an upgrade: Severity | Priority Score (*) | Issue | Breaking Change | Exploit Maturity :-------------------------:|-------------------------|:-------------------------|:-------------------------|:-------------------------  | **698/1000**
**Why?** Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 6.1 | Cross-site Scripting (XSS)
[SNYK-JS-SERIALIZEJAVASCRIPT-6147607](https://snyk.io/vuln/SNYK-JS-SERIALIZEJAVASCRIPT-6147607) | No | Proof of Concept (*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: @twilio/flex-plugin-scripts

The new version differs by 165 commits.

• 2103f9c v6.2.0
• 01c1028 Merge pull request #839 from twilio/FLEXY-3002
• 720a595 FLEXY-3002 modified e2e and changelog for v6
• 6b2f5cd Fixed the login btn selector
• 2ef07df FLEXY-3002 updated changelog for 6.2.0 release
• 2a9c5f4 FLEXY-3002 updated changelog for 6.2.0 release
• 115394d FLEXY-3002 fix tests
• 36b3f0b FLEXY-3002 fix formatting issue in build script
• 4be4539 FLEXY-3002 fixed review comments
• d1ac745 FLEXY-3002 ipv6 compatibility for node 18
• 7a62db8 FLEXY-3002 ipv6 compatibility for node 18
• 0970ae5 FLEXY-3002 fixed type issue for compiler
• a9fbb0c FLEXY-3002 updated vulnerable packages
• 824c533 FLEXY-3002 updated vulnerable packages
• 2ef4f45 FLEXY-3002 minor changes on ocde cov and types
• 27a5fb6 FLEXY-3002 minor changes on ocde cov and types
• 73dd255 FLEXY-3002 updated test
• eb5aa55 fix tests for create plugin
• 94468a3 Merge branch 'FLEXY-3002' of github.com:twilio/flex-plugin-builder into FLEXY-3002
• 16c6f0e fix tests
• 0d6fb63 FLEXY-3002 updated test
• 8c7bc84 Merge branch 'main' into FLEXY-3002
• 5f33769 FLEXY-3002 reverted back circleci config
• ad0803c FLEXY-4758 Updated macos resource class (#838)

See the full diff

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