chore(deps): update actions/checkout action to v5 (ni#52)

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

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Automerge - Between 12:00 AM and 03:59 AM ( * 0-3 * * * ) (UTC).

🚦 **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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View the [repository job
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.github/workflows/build.yml

@@ -10,7 +10,7 @@ jobs:
       - ubuntu-latest
     steps:
       - name: Check out repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v5
         with:

.github/workflows/report_test_results.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Download test results
         uses: actions/download-artifact@v5
         with:

.github/workflows/run_acceptance_tests.yml

@@ -21,7 +21,7 @@ jobs:
     timeout-minutes: 90
     steps:
       - name: Check out repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Install dependencies
         run: poetry install
       - name: Run acceptance tests for PXIe-6674T

.github/workflows/run_unit_tests.yml

@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
     steps:
       - name: Check out repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with: