chore(deps): update actions/checkout action to v4.3.0 (#202)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://github.com/actions/checkout) | action | minor | `v4.2.2` -> `v4.3.0` |

---

### Release Notes

<details>
<summary>actions/checkout (actions/checkout)</summary>

### [`v4.3.0`](https://github.com/actions/checkout/releases/tag/v4.3.0)

[Compare Source](actions/checkout@v4.2.2...v4.3.0)

#### What's Changed

- docs: update README.md by [@&#8203;motss](https://github.com/motss) in actions/checkout#1971
- Add internal repos for checking out multiple repositories by [@&#8203;mouismail](https://github.com/mouismail) in actions/checkout#1977
- Documentation update - add recommended permissions to Readme by [@&#8203;benwells](https://github.com/benwells) in actions/checkout#2043
- Adjust positioning of user email note and permissions heading by [@&#8203;joshmgross](https://github.com/joshmgross) in actions/checkout#2044
- Update README.md by [@&#8203;nebuk89](https://github.com/nebuk89) in actions/checkout#2194
- Update CODEOWNERS for actions by [@&#8203;TingluoHuang](https://github.com/TingluoHuang) in actions/checkout#2224
- Update package dependencies by [@&#8203;salmanmkc](https://github.com/salmanmkc) in actions/checkout#2236
- Prepare release v4.3.0 by [@&#8203;salmanmkc](https://github.com/salmanmkc) in actions/checkout#2237

#### New Contributors

- [@&#8203;motss](https://github.com/motss) made their first contribution in actions/checkout#1971
- [@&#8203;mouismail](https://github.com/mouismail) made their first contribution in actions/checkout#1977
- [@&#8203;benwells](https://github.com/benwells) made their first contribution in actions/checkout#2043
- [@&#8203;nebuk89](https://github.com/nebuk89) made their first contribution in actions/checkout#2194
- [@&#8203;salmanmkc](https://github.com/salmanmkc) made their first contribution in actions/checkout#2236

**Full Changelog**: actions/checkout@v4...v4.3.0

</details>

---

### 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

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS42MS4xIiwidXBkYXRlZEluVmVyIjoiNDEuNjEuMSIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsidHlwZS9kZXBlbmRlbmNpZXMiXX0=-->

Reviewed-on: https://git.tainton.uk/luke/instant-msg-api/pulls/202
Co-authored-by: Renovate [BOT] <renovate-bot@git.tainton.uk>
Co-committed-by: Renovate [BOT] <renovate-bot@git.tainton.uk>

Author: Renovate [BOT]

.gitea/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository code
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v4.3.0
         with:
           fetch-depth: 0
 

.gitea/workflows/release.yml

@@ -24,7 +24,7 @@ jobs:
       clean_changelog: ${{ steps.get_next_version.outputs.clean_changelog }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v4.3.0
         with:
           fetch-depth: 0
 
@@ -79,7 +79,7 @@ jobs:
       release_name: ${{ steps.create_release_job.outputs.tag }}
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v4.3.0
         with:
           fetch-depth: 0