Coding Standards: JS: Pin Typescript Version

[n7studios]

Summary

Fixes JS linting due to Typescript 7's release yesterday, which some npm packages don't yet support:

wp-scripts lint-js --max-warnings=0
Oops! Something went wrong! :(
ESLint: 8.57.1
TypeError: Failed to load plugin '@typescript-eslint' declared in '.eslintrc.js » plugin:@wordpress/recommended': Cannot read properties of undefined (reading 'Intrinsic')
Referenced from: /Users/tim/Local Sites/_plugins/convertkit-wpforms/node_modules/@wordpress/eslint-plugin/index.js
    at Object.<anonymous> (/Users/tim/Local Sites/_plugins/convertkit-wpforms/node_modules/ts-api-utils/lib/index.cjs:779:57)
    at Module._compile (node:internal/modules/cjs/loader:1688:14)
    at Object..js (node:internal/modules/cjs/loader:1820:10)
    at Module.load (node:internal/modules/cjs/loader:1423:32)
    at Function._load (node:internal/modules/cjs/loader:1246:12)
    at TracingChannel.traceSync (node:diagnostics_channel:322:14)
    at wrapModuleLoad (node:internal/modules/cjs/loader:235:24)
    at Module.require (node:internal/modules/cjs/loader:1445:12)
    at require (node:internal/modules/helpers:135:16)
    at Object.<anonymous> (/Users/tim/Local Sites/_plugins/convertkit-wpforms/node_modules/@typescript-eslint/type-utils/dist/containsAllTypesByName.js:27:30)

Testing

Existing tests pass.

Checklist

• I have written a test and included it in this PR
• I have run all tests and they pass
• The code passes when running the PHP CodeSniffer
• Code meets WordPress Coding Standards for PHP, HTML, CSS and JS
• Security and Sanitization requirements have been followed
• I have assigned a reviewer or two to review this PR (if you're not sure who to assign, we can do this step for you)