Support git repositories with names containing underscores and other characters not compliant with RFC-1123

[ibuziuk]

Describe the bug

Workspace startup is failing for repos like https://github.com/kamlendu1982/tower_engin

Che version

7.54@latest

Steps to reproduce

1. Create a workspace based on the https://github.com/kamlendu1982/tower_engin repo
   ERROR: Failed to create a new workspace from the devfile, reason: Failed to create a new workspace. Unable to create devworkspace: DevWorkspace.workspace.devfile.io "tower_engin" is invalid: metadata.name: Invalid value: "tower_engin": a lowercase RFC 1123 subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start and end with an alphanumeric character (e.g. 'example.com', regex used for validation is '[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*')

Expected behavior

dashboard sanitizes the dw name and workspace starts without problems

Runtime

OpenShift

Screenshots

Installation method

OperatorHub

Environment

Amazon

Eclipse Che Logs

Failed to create a new workspace from the devfile, reason: Failed to create a new workspace. Unable to create devworkspace: DevWorkspace.workspace.devfile.io "tower_engin" is invalid: metadata.name: Invalid value: "tower_engin": a lowercase RFC 1123 subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start and end with an alphanumeric character (e.g. 'example.com', regex used for validation is '[a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*')

Additional context

Reproducible on the dogfooding