chore(deps): update dependency tailscale/tailscale to v1.96.4 (#5208)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [tailscale/tailscale](https://github.com/tailscale/tailscale) | patch | `v1.96.3` → `v1.96.4` |

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### Release Notes

<details>
<summary>tailscale/tailscale (tailscale/tailscale)</summary>

### [`v1.96.4`](https://github.com/tailscale/tailscale/releases/tag/v1.96.4)

[Compare Source](https://github.com/tailscale/tailscale/compare/v1.96.3...v1.96.4)

Please refer to the changelog available at <https://tailscale.com/changelog>

</details>

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### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

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

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

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

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: #5208
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/tailscale-operator/Chart.yaml

@@ -21,4 +21,4 @@ dependencies:
     repository: https://pkgs.tailscale.com/helmcharts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/tailscale-light.png
 # renovate: datasource=github-releases depName=tailscale/tailscale
-appVersion: v1.96.3
+appVersion: v1.96.4