Fix npm vulnerabilities

npm audit found some vulnerabilities again:

$ npm audit
# npm audit report

esbuild  <=0.24.2
Severity: moderate
esbuild enables any website to send any requests to the development server and read the response - https://github.com/advisories/GHSA-67mh-4wv8-2f99
No fix available
node_modules/@scala-js/vite-plugin-scalajs/node_modules/esbuild
node_modules/esbuild
  vite  0.11.0 - 6.1.1
  Depends on vulnerable versions of esbuild
  node_modules/@scala-js/vite-plugin-scalajs/node_modules/vite
  node_modules/vite
    @scala-js/vite-plugin-scalajs  *
    Depends on vulnerable versions of vite
    node_modules/@scala-js/vite-plugin-scalajs

3 moderate severity vulnerabilities

Some issues need review, and may require choosing
a different dependency.