use pipeline-graph-analysis incremental 236.va_d926e1395f5 for testing

[stuartrowe]

Draft PR only to test incremental build from jenkinsci/pipeline-graph-analysis-plugin#164

Testing done

Submitter checklist

• Make sure you are opening from a topic/feature/bugfix branch (right side) and not your main branch!
• Ensure that the pull request title represents the desired changelog entry
• Please describe what you did
• Link to relevant issues in GitHub or Jira
• Link to relevant pull requests, esp. upstream and downstream changes
• Ensure you have provided tests - that demonstrates feature works or fixes the issue

[felipecrs]

This should also fix the loading animation for these stages, previously they were all the same.

[timja]

@stuartrowe how has testing this gone?

[stuartrowe]

It has solved the specific problem it was trying to address. No obvious knock ons.

[felipecrs]

@stuartrowe I guess you can close this now.