chore(deps): update actions/checkout action to v5 (#153)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://redirect.github.com/actions/checkout) |
action | major | `v4` -> `v5` |

---

### Release Notes

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

### [`v5`](https://redirect.github.com/actions/checkout/compare/v4...v5)

[Compare
Source](https://redirect.github.com/actions/checkout/compare/v4...v5)

</details>

---

### Configuration

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

🚦 **Automerge**: Enabled.

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

👻 **Immortal**: This PR will be recreated if closed unmerged. Get
[config
help](https://redirect.github.com/renovatebot/renovate/discussions) if
that's undesired.

---

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

---

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

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Author: cgrindel-self-hosted-renovate[bot]

.github/workflows/ci.yml

@@ -59,7 +59,7 @@ jobs:
     env:
       CC: clang
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./.github/actions/set_up_ubuntu
         if: ${{ startsWith(matrix.runner, 'ubuntu') }}
         with:
@@ -87,7 +87,7 @@ jobs:
     env:
       CC: clang
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./.github/actions/set_up_ubuntu
         if: ${{ startsWith(matrix.runner, 'ubuntu') }}
         with:

.github/workflows/claude-code-review.yml

@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 

.github/workflows/claude.yml

@@ -27,7 +27,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 1
 

.github/workflows/create_release.yml

@@ -23,7 +23,7 @@ jobs:
     steps:
 
     # Check out your code
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     # Generate a token that has permssions to create a release and create PRs.
     - uses: tibdex/github-app-token@v2