SafeScale v22.11.6

Bugfix Release.

• fixes incompatibility issues detected operating clusters created with previous safescale versions.
• images based on Ubuntu 22.04 are now supported
• fixes several disk sizing problems creating clusters
• fixes several problems in machine provisioning scripts
• introduces grpc-web interface
• fixes some metadata corruption issues
• removes python3-setuptools dependency in provisioning scripts
• improves command 'safescale tenant list'
• cleans documentation
• changes docker build scripts
• fixes problems validating inputs
• bumps dependencies

What's Changed

• Release v22.11.6 by @oscarpicas in #626

Full Changelog: v22.11.5...v22.11.6