Enable CodeRabbit to automatically review draft pull requests.
## Changes
- Added `reviews.auto_review.drafts: true` to `.coderabbit.yaml`
This allows getting early feedback from CodeRabbit while PRs are still
in draft status.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
* **New Features**
* Enabled automatic review drafting to streamline the review process.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-8587-feat-enable-CodeRabbit-reviews-on-draft-PRs-2fc6d73d365081ea8f1bcae4a2a8277b)
by [Unito](https://www.unito.io)
## Summary
Enable CodeRabbit issue enrichment and remove duplicate-check
requirements to lower the barrier for reporting problems.
## Changes
- **What**: Add `.coderabbit.yaml` enabling issue enrichment; remove
dedupe checkboxes from bug and feature issue templates.
## Review Focus
Confirm we want CodeRabbit/Dosu to handle deduplication so users aren’t
blocked by a mandatory “search for duplicates” step.
┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-8543-Enable-CodeRabbit-issue-enrichment-2fb6d73d36508132947acf5f01c9cb22)
by [Unito](https://www.unito.io)
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Chores**
* Enabled automatic issue enrichment to enhance issue tracking.
* Streamlined issue submission forms by removing prerequisite
verification steps from bug report and feature request templates.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
