chore(deps): update actions/checkout action to v5 (#30624)

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 - At any time (no schedule defined).

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are satisfied.

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again.

---

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

---

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.github/workflows/actions/build-core-stencil-prerelease/action.yml

@@ -8,7 +8,7 @@ inputs:
 runs:
   using: 'composite'
   steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: actions/setup-node@v4
       with:
         node-version: 22.x

.github/workflows/actions/build-core/action.yml

@@ -8,7 +8,7 @@ inputs:
 runs:
   using: 'composite'
   steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: actions/setup-node@v4
       with:
         node-version: 22.x