Upgrade @wp-playground/client to v3 for PHP 8.5 support

[Copilot]

Upgrades WordPress Playground client to v3.0.46, adding PHP 8.5 support.

Changes

• Package upgrade: @wp-playground/client v1.0.28 → v3.0.46
• Peer dependencies: Added @wp-playground/blueprints, @php-wasm/universal, @php-wasm/util, @wp-playground/remote (required by v3)
• Breaking change fix: StepDefinition import moved from @wp-playground/client to @wp-playground/blueprints
• Default PHP version: Updated from 8.3 to 8.4

// resources/js/components/playground.tsx
- import { startPlaygroundWeb, StepDefinition } from '@wp-playground/client';
+ import { StepDefinition } from '@wp-playground/blueprints';
+ import { startPlaygroundWeb } from '@wp-playground/client';

// resources/js/lib/constants.ts
- export const DEFAULT_PHP_VERSION = '8.3';
+ export const DEFAULT_PHP_VERSION = '8.4';

Supported PHP versions: 8.5, 8.4, 8.3, 8.2, 8.1, 8.0, 7.4

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Upgrade @wp-playground/client package to v3</issue_title>
<issue_description>- Upgrade to the latest @wp-playground/client package.

• Ensure that we can use PHP 8.5.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Upgrade @wp-playground/client package to v3 #20

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[srtfisher]

@copilot default should be 8.4 but we must also have 8.5 supported.

[Copilot]

@copilot default should be 8.4 but we must also have 8.5 supported.

Updated to use 8.4 as the default while keeping 8.5 supported. See commit e0ecf15.