chore: simplify pull request template

[josephfusco]

Summary

• Strips the PR template down to the essentials: CLA checkbox, description, related issues, and testing
• Removes changeset checkbox, screenshots, documentation changes, and dependent PRs sections
• Keeps it lightweight and welcoming for community contributions

[changeset-bot]

⚠️ No Changeset found

Latest commit: 9a91c09

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[github-actions]

📦 Next.js Bundle Analysis for @faustwp/getting-started-example

This analysis was generated by the Next.js Bundle Analysis action. 🤖

This PR introduced no changes to the JavaScript bundle! 🙌