fix(form-core): remove crypto package

[mhornbacher]

@tanstack/pacer seems to execute crypto.randomUUID at some point in throttle. This prevents partial pre-rendering of client-side forms in nextjs. As throttle is a very simple function this commit replaces it with a super simple implementation.

🎯 Changes

• Removes @tanstack/pacer dependency
• Adds local minimal throttle method that does not rely on crypto
• Adds unit tests for the new throttle method

✅ Checklist

• I have followed the steps in the Contributing guide.
• I have tested this code locally with pnpm test:pr.

🚀 Release Impact

• This change affects published code, and I have generated a changeset.
• This change is docs/CI/dev-only (no release).

[changeset-bot]

🦋 Changeset detected

Latest commit: 40819a8

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 13 packages

Name	Type
@tanstack/form-core	Patch
@tanstack/angular-form	Patch
@tanstack/form-devtools	Patch
@tanstack/lit-form	Patch
@tanstack/react-form	Patch
@tanstack/solid-form	Patch
@tanstack/svelte-form	Patch
@tanstack/vue-form	Patch
@tanstack/react-form-devtools	Patch
@tanstack/solid-form-devtools	Patch
@tanstack/react-form-nextjs	Patch
@tanstack/react-form-remix	Patch
@tanstack/react-form-start	Patch

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[mhornbacher]

Closing as this is already fixed upstream: #1913 (comment)