chore(deps): update namespacelabs/nscloud-checkout-action action to v3 (

#12)

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This PR contains the following updates:

| Package | Type | Update | Change | OpenSSF |
|---|---|---|---|---|
|
[namespacelabs/nscloud-checkout-action](https://togithub.com/namespacelabs/nscloud-checkout-action)
| action | major | `v2` -> `v3` | [![OpenSSF
Scorecard](https://api.securityscorecards.dev/projects/github.com/namespacelabs/nscloud-checkout-action/badge)](https://securityscorecards.dev/viewer/?uri=github.com/namespacelabs/nscloud-checkout-action)
|

---

### Release Notes

<details>
<summary>namespacelabs/nscloud-checkout-action
(namespacelabs/nscloud-checkout-action)</summary>

###
[`v3`](https://togithub.com/namespacelabs/nscloud-checkout-action/releases/tag/v3)

[Compare
Source](https://togithub.com/namespacelabs/nscloud-checkout-action/compare/v2...v3)

Fixed issues:

- The checkout action would modify the global git authentication
configuration. This resulted in other git clients to fail when adding
their own authentication configuration. We aligned the behavior to
`actions/checkout` and added a cleanup step to remove the auth
configuration at the end of the action.

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "after 10pm every weekday,before 5am
every weekday,every weekend" (UTC), 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.

---

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

---

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.github/workflows/branch.yml

@@ -41,7 +41,7 @@ jobs:
     runs-on: namespace-profile-foundry
     steps:
       - name: Checkout
-        uses: namespacelabs/nscloud-checkout-action@v2
+        uses: namespacelabs/nscloud-checkout-action@v3
         with:
           submodules: recursive