[Snyk] Security upgrade @docusaurus/preset-classic from 3.4.0 to 3.5.0 (

#207)

* fix: package.json & package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-WEBPACK-7840298

* fixed package file

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Co-authored-by: snyk-bot <[email protected]>
Co-authored-by: uma-kt <[email protected]>