chore: disable renovate updates for eslint-packages (#2556)

Reason: breaks until migration to v9, and may be replaced by oxlint in
the relatively near future

<!--
☝️ PR title should follow conventional commits
(https://conventionalcommits.org).
In particular, the title should start with one of the following types:

- docs: 📖 Documentation (updates to the documentation or readme)
- fix: 🐞 Bug fix (a non-breaking change that fixes an issue)
- feat: ✨ New feature/enhancement (a non-breaking change that adds
functionality or improves existing one)
- feat!/fix!: ⚠️ Breaking change (fix or feature that would cause
existing functionality to change)
- chore: 🧹 Chore (updates to the build process or auxiliary tools and
libraries)
-->

### 🔗 Linked issue

<!-- If it resolves an open issue, please link the issue here. For
example "Resolves #123" -->

### 📚 Description

<!-- Describe your changes in detail -->
<!-- Why is this change required? What problem does it solve? -->

renovate.json5

@@ -32,6 +32,8 @@
     {
       matchPackageNames: ['@typescript-eslint{/,}**', 'eslint', 'eslint-**'],
       groupName: 'eslint',
+      // Disable eslint updates for now (maybe forever if we migrate to oxlint in time)
+      enabled: false,
     },
     {
       matchPackageNames: ['prettier', 'prettier-*'],