Compatibility with Node 20 LTS

[Toharawk]

Could we get an update to run the theme with the latest node LTS? Thank you for considering the request.

Error:

Error: error:0308010C:digital envelope routines::unsupported
    at new Hash (node:internal/crypto/hash:68:19)
    at Object.createHash (node:crypto:138:10)
    at module.exports (/Users/kzvb/Documents/_react/abrechnungsmappe/dist/node_modules/webpack/lib/util/createHash.js:135:53)
    at NormalModule._initBuildHash (/Users/kzvb/Documents/_react/abrechnungsmappe/dist/node_modules/webpack/lib/NormalModule.js:417:16)
    at /Users/kzvb/Documents/_react/abrechnungsmappe/dist/node_modules/webpack/lib/NormalModule.js:452:10
    at /Users/kzvb/Documents/_react/abrechnungsmappe/dist/node_modules/webpack/lib/NormalModule.js:323:13
    at /Users/kzvb/Documents/_react/abrechnungsmappe/dist/node_modules/loader-runner/lib/LoaderRunner.js:367:11
    at /Users/kzvb/Documents/_react/abrechnungsmappe/dist/node_modules/loader-runner/lib/LoaderRunner.js:233:18
    at context.callback (/Users/kzvb/Documents/_react/abrechnungsmappe/dist/node_modules/loader-runner/lib/LoaderRunner.js:111:13)
    at /Users/kzvb/Documents/_react/abrechnungsmappe/dist/node_modules/babel-loader/lib/index.js:59:103 {
  opensslErrorStack: [ 'error:03000086:digital envelope routines::initialization error' ],
  library: 'digital envelope routines',
  reason: 'unsupported',
  code: 'ERR_OSSL_EVP_UNSUPPORTED'
}