[che-code] Bump version of devworkspace-generator lib

[svor]

Is your task related to a problem? Please describe

Is your task related to a problem? Please describe

Starting from 7.93.0-next-be04ded version, devworkspace-generator library doesn't require a link to the plugin registry or the editors' entry as parameters

Describe the solution you'd like

• Upgrade version of devworkspace-generator lib
• Remove pluginRegistryUrl https://github.com/che-incubator/che-code/blob/48cc3bc275ea7823dd2f01373f75625dfedeef6e/code/extensions/che-remote/src/extension.ts#L196

Describe alternatives you've considered

No response

Additional context

https://github.com/devfile/devworkspace-generator/pull/64