chore(deps): pin dependency node to 22.18.0 (#152)

This PR contains the following updates:

| Package | Type | Update | Change | OpenSSF |
|---|---|---|---|---|
| [node](https://redirect.github.com/actions/node-versions) | uses-with
| pin | `22` -> `22.18.0` | [![OpenSSF
Scorecard](https://api.securityscorecards.dev/projects/github.com/actions/node-versions/badge)](https://securityscorecards.dev/viewer/?uri=github.com/actions/node-versions)
|

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to pin your dependencies.

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.github/workflows/solidity.yml

@@ -99,7 +99,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version: 22.18.0
 
       - name: Install Node dependencies
         run: npm install