Ignore some ESLint rules in @inngest/ai (#886)

## Summary
<!-- Succinctly describe your change, providing context, what you've
changed, and why. -->

Disables some ESLint rules that we consciously break.

## Checklist
<!-- Tick these items off as you progress. -->
<!-- If an item isn't applicable, ideally please strikeout the item by
wrapping it in "~~"" and suffix it with "N/A My reason for skipping
this." -->
<!-- e.g. "- [ ] ~~Added tests~~ N/A Only touches docs" -->

- [ ] ~Added a [docs PR](https://github.com/inngest/website) that
references this PR~ N/A KTLO
- [ ] ~Added unit/integration tests~ N/A KTLO
- [x] Added changesets if applicable

Author: jpwilliams

packages/ai/eslint.config.mjs

@@ -10,4 +10,10 @@ export default [
   pluginJs.configs.recommended,
   ...tseslint.configs.recommended,
   eslintPluginPrettierRecommended,
+  {
+    rules: {
+      "@typescript-eslint/no-namespace": "off",
+      "@typescript-eslint/ban-types": "off",
+    },
+  },
 ];