Update actions/github-script action to v8 (#697)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/github-script](https://redirect.github.com/actions/github-script) | action | major | `v6` -> `v8` |

---

### Release Notes

<details>
<summary>actions/github-script (actions/github-script)</summary>

### [`v8`](https://redirect.github.com/actions/github-script/releases/tag/v8): .0.0

[Compare Source](https://redirect.github.com/actions/github-script/compare/v7...v8)

#### What's Changed

- Update Node.js version support to 24.x by [@&#8203;salmanmkc](https://redirect.github.com/salmanmkc) in [#&#8203;637](https://redirect.github.com/actions/github-script/pull/637)
- README for updating actions/github-script from v7 to v8 by [@&#8203;sneha-krip](https://redirect.github.com/sneha-krip) in [#&#8203;653](https://redirect.github.com/actions/github-script/pull/653)

#### ⚠️ Minimum Compatible Runner Version

**v2.327.1**\
[Release Notes](https://redirect.github.com/actions/runner/releases/tag/v2.327.1)

Make sure your runner is updated to this version or newer to use this release.

#### New Contributors

- [@&#8203;salmanmkc](https://redirect.github.com/salmanmkc) made their first contribution in [#&#8203;637](https://redirect.github.com/actions/github-script/pull/637)
- [@&#8203;sneha-krip](https://redirect.github.com/sneha-krip) made their first contribution in [#&#8203;653](https://redirect.github.com/actions/github-script/pull/653)

**Full Changelog**: <actions/github-script@v7.1.0...v8.0.0>

### [`v7`](https://redirect.github.com/actions/github-script/compare/v6...v7)

[Compare Source](https://redirect.github.com/actions/github-script/compare/v6...v7)

</details>

---

### Configuration

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

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR is behind base branch, 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

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/). View the [repository job log](https://developer.mend.io/github/terraware/web-components).
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Author: renovate[bot]

.github/workflows/open-pr.yml

@@ -23,7 +23,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
 
-      - uses: actions/github-script@v6
+      - uses: actions/github-script@v8
         # skip auto patch labeling for dependabot or renovate PRs
         if: ${{ github.actor != 'dependabot[bot]' && github.actor != 'renovate[bot]' }}
         with: