Update node version to 22.17.0

[thomasiles]

22.17.0 is the latest LTS version of Node.js and vite 7 requires at least this 22.12.0.

What problem does this pull request solve?

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Waiting for comments on govuk-forms/forms-product-page#827 to be resolved

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

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