Backend for stack restart API

[hardillb]

Description

Add API endpoint /projects/<project id>/actions/restartStack

This suspends and then restarts the project.

Useful for upgrading bare pod to Deployment (when FlowFuse/driver-k8s#71 is merged)

Related Issue(s)

Checklist

• I have read the contribution guidelines
• Suitable unit/system level tests have been added and they pass
• [-] Documentation has been updated
  • [-] Upgrade instructions
  • [-] Configuration details
  • [-] Concepts
• [-] Changes flowforge.yml?
  • [-] Issue/PR raised on flowforge/helm to update ConfigMap Template
  • [-] Issue/PR raised on flowforge/CloudProject to update values for Staging/Production

Labels

• [-] Backport needed? -> add the backport label
• [-] Includes a DB migration? -> add the area:migration label

[joepavitt]

Just checking no UI changes required for this in order to expose the action? API entry-point only?

[hardillb]

@joepavitt UI to follow later (we may hit this via a script as part of the K8s upgrade)

[joepavitt]

Form the UI side, I'm happy with the Icon-use and Verbose descriptions. I worked with Ben yesterday on assuring our logging is appropriate server-side too, but will await @knolleary approval before merging