This MR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [cli/cli](https://github.com/cli/cli) | minor | `v2.85.0` → `v2.86.0` |

MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot).

**Proposed changes to behavior should be submitted there as MRs.**

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### Release Notes

<details>
<summary>cli/cli (cli/cli)</summary>

### [`v2.86.0`](https://github.com/cli/cli/releases/tag/v2.86.0): GitHub CLI 2.86.0

[Compare Source](cli/cli@v2.85.0...v2.86.0)

####   Install and run GitHub Copilot CLI directly from `gh`

Since we deprecated the [GitHub Copilot in the CLI](https://github.blog/changelog/2025-09-25-upcoming-deprecation-of-gh-copilot-cli-extension/) extension in favor of the new agentic [GitHub Copilot CLI](https://github.com/github/copilot-cli), we want to give developers using `gh` a simple way to get started using our most powerful terminal assistant.

- `gh copilot` will prompt to install, then run Copilot CLI
- `gh copilot <args>` will execute the Copilot CLI, forwarding any arguments and flags

For more information and usage options, run `gh copilot --help`.

#### What's Changed

##### ✨ Features

- `gh copilot`: add native `copilot` command to execute/install copilot cli by [@&#8203;devm33](https://github.com/devm33) in [#&#8203;12444](cli/cli#12444)
- `gh cache delete`: allow for delete all caches for a ref by [@&#8203;davidspek](https://github.com/davidspek) in [#&#8203;12101](cli/cli#12101)
- `gh pr create`: error when head and base refs are identical in pr create by [@&#8203;majiayu000](https://github.com/majiayu000) in [#&#8203;12376](cli/cli#12376)

##### 📚 Docs & Chores

- Fix Windows asset URL in `copilot` command tests by [@&#8203;babakks](https://github.com/babakks) in [#&#8203;12500](cli/cli#12500)
- Update contributing guidelines for clarity by [@&#8203;BagToad](https://github.com/BagToad) in [#&#8203;12505](cli/cli#12505)

#### New Contributors

- [@&#8203;devm33](https://github.com/devm33) made their first contribution in [#&#8203;12444](cli/cli#12444)
- [@&#8203;davidspek](https://github.com/davidspek) made their first contribution in [#&#8203;12101](cli/cli#12101)

**Full Changelog**: <cli/cli@v2.85.0...v2.86.0>

</details>

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This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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