chore(deps): update actions/checkout action to v3 (#1117)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://togithub.com/actions/checkout) | action |
major | `v2` -> `v3` |

---

### Release Notes

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

###
[`v3`](https://togithub.com/actions/checkout/blob/HEAD/CHANGELOG.md#v353)

[Compare Source](https://togithub.com/actions/checkout/compare/v2...v3)

- [Fix: Checkout fail in self-hosted runners when faulty submodule are
checked-in](https://togithub.com/actions/checkout/pull/1196)
- [Fix typos found by
codespell](https://togithub.com/actions/checkout/pull/1287)
- [Add support for sparse
checkouts](https://togithub.com/actions/checkout/pull/1369)

</details>

---

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.github/workflows/browserstack.yml

@@ -21,7 +21,7 @@ jobs:
  # The next 3 steps are for building the web application to be tested and starting the web server on the runner environment
 
  - name: "Checkout the repository"
- uses: actions/checkout@v2
+ uses: actions/checkout@v3
 
  - name: "Building web application to be tested"
  run: npm install && npm run build