chore(dep): Updating knip from 5.83.1 to 6.4.0

[jdalrymple]

What: Updating Knip dependency

Why: Its outdated

How: Bump from 5.83.1 to 6.4.0

Checklist:

• Documentation
• Tests
• Ready to be merged
  
• Added myself to contributors table
  

[jdalrymple]

npm error code EUSAGE
npm error
npm error `npm ci` can only install packages when your package.json and package-lock.json or npm-shrinkwrap.json are in sync. Please update your lock file with `npm install` before continuing.
npm error
npm error Missing: @emnapi/core@1.9.2 from lock file
npm error Missing: @emnapi/runtime@1.9.2 from lock file
npm error
npm error Clean install a project

Not sure how this is appearing, ive regenerated the lock file multiple times, and when testing this flow locally (running npm ci after deleting node_modules), it works 🙃 @lwasser / @JoshuaKGoldberg if you have any suggestions to sanity check me 😂

[jdalrymple]

npm error code EUSAGE
npm error
npm error `npm ci` can only install packages when your package.json and package-lock.json or npm-shrinkwrap.json are in sync. Please update your lock file with `npm install` before continuing.
npm error
npm error Missing: @emnapi/core@1.9.2 from lock file
npm error Missing: @emnapi/runtime@1.9.2 from lock file
npm error
npm error Clean install a project

Not sure how this is appearing, ive regenerated the lock file multiple times, and when testing this flow locally (running npm ci after deleting node_modules), it works 🙃 @lwasser / @JoshuaKGoldberg if you have any suggestions to sanity check me 😂

Got it to work 🙌