style: update qs times and wf names

[sicoyle]

Description

I used this to demo at KCD. If you rerun then you get a ton of conflicts on wf names and such. These were some of the tweaks I needed to rerun this properly.

Issue reference

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Please reference the issue this PR will close: #[issue number]

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation

[Copilot]

Pull request overview

This PR updates the examples/workflow/simple.py workflow example to be easier to re-run without instance ID collisions and to be more tolerant of timing variability during the demo flow.

Changes:

• Generate a unique workflow instance_id using a UUID to reduce conflicts across repeated runs.
• Increase sleep durations to allow more time for workflow progression before subsequent operations.
• Relax early assertions on counter and retry_count to be non-strict (>=) instead of exact equality.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.66%. Comparing base (bffb749) to head (a43c340).
⚠️ Report is 137 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1071      +/-   ##
==========================================
- Coverage   86.63%   82.66%   -3.97%     
==========================================
  Files          84      146      +62     
  Lines        4473    14693   +10220     
==========================================
+ Hits         3875    12146    +8271     
- Misses        598     2547    +1949     

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[seherv]

The >= is a nice change, I'd do that in other examples too.

nit: I'd use 1 + 10 and explain they're the inputs of the two activities