Update Rust crate governor to 0.8.0 (#33900)

This PR contains the following updates:

| Package | Type | Update | Change | Pending |
|---|---|---|---|---|
| [governor](https://redirect.github.com/boinkor-net/governor) | workspace.dependencies | minor | `0.6.0` -> `0.8.0` | `0.10.0` (+1) |

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### Release Notes

<details>
<summary>boinkor-net/governor (governor)</summary>

### [`v0.8.1`](https://redirect.github.com/boinkor-net/governor/releases/tag/v0.8.1): governor v0.8.1

[Compare Source](https://redirect.github.com/boinkor-net/governor/compare/v0.8.0...v0.8.1)

### [`v0.8.0`](https://redirect.github.com/boinkor-net/governor/releases/tag/v0.8.0): governor v0.8.0

[Compare Source](https://redirect.github.com/boinkor-net/governor/compare/v0.7.0...v0.8.0)

### [`v0.7.0`](https://redirect.github.com/boinkor-net/governor/releases/tag/v0.7.0): governor v0.7.0

[Compare Source](https://redirect.github.com/boinkor-net/governor/compare/v0.6.4...v0.7.0)

### [`v0.6.4`](https://redirect.github.com/boinkor-net/governor/releases/tag/v0.6.4): governor v0.6.4

[Compare Source](https://redirect.github.com/boinkor-net/governor/compare/v0.6.3...v0.6.4)

### [`v0.6.3`](https://redirect.github.com/boinkor-net/governor/releases/tag/v0.6.3): governor v0.6.3

[Compare Source](https://redirect.github.com/boinkor-net/governor/compare/v0.6.1...v0.6.3)

### [`v0.6.1`](https://redirect.github.com/boinkor-net/governor/releases/tag/v0.6.1): governor v0.6.1

[Compare Source](https://redirect.github.com/boinkor-net/governor/compare/v0.6.0...v0.6.1)

</details>

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### Configuration

📅 **Schedule**: Branch creation - "on the first day of the month" in timezone America/Los_Angeles, Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

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

GitOrigin-RevId: d2bd1a6bbdd88971642ae99b998f32e87ba2f018

Author: convex-renovate-runner[bot]