chore(deps): update dependency node to v22.20.0 (#164)

Coming soon: The Renovate bot (GitHub App) will be renamed to Mend. PRs
from Renovate will soon appear from 'Mend'. Learn more
[here](https://redirect.github.com/renovatebot/renovate/discussions/37842).

This PR contains the following updates:

| Package | Type | Update | Change | OpenSSF |
|---|---|---|---|---|
| [node](https://redirect.github.com/actions/node-versions) | uses-with
| minor | `22.19.0` -> `22.20.0` | [![OpenSSF
Scorecard](https://api.securityscorecards.dev/projects/github.com/actions/node-versions/badge)](https://securityscorecards.dev/viewer/?uri=github.com/actions/node-versions)
|

---

### Release Notes

<details>
<summary>actions/node-versions (node)</summary>

###
[`v22.20.0`](https://redirect.github.com/actions/node-versions/releases/tag/22.20.0-17993202319):
22.20.0

[Compare
Source](https://redirect.github.com/actions/node-versions/compare/22.19.0-17311483029...22.20.0-17993202319)

Node.js 22.20.0

</details>

---

### Configuration

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

🚦 **Automerge**: Enabled.

♻ **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/settlemint/solidity-token-erc721).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS45Ny4xMCIsInVwZGF0ZWRJblZlciI6IjQxLjk3LjEwIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJkZXBlbmRlbmNpZXMiXX0=-->

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/solidity.yml

@@ -99,7 +99,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 22.19.0
+          node-version: 22.20.0
 
       - name: Install Node dependencies
         run: npm install