Renovate: actions/upload-pages-artifact to v3 (#234)

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This PR contains the following updates:

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

---

### Release Notes

<details>
<summary>actions/upload-pages-artifact
(actions/upload-pages-artifact)</summary>

###
[`v3`](https://togithub.com/actions/upload-pages-artifact/compare/v2...v3)

[Compare
Source](https://togithub.com/actions/upload-pages-artifact/compare/v2...v3)

</details>

---

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---

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---

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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Patrick J. Roddy <[email protected]>

.github/workflows/pages.yml

@@ -53,7 +53,7 @@ jobs:
           JEKYLL_ENV: production
       - name: Upload artifact
         # Automatically uploads an artifact from the './_site' directory by default
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v3
         with:
           path: docs/_site