Performance Shift(s): `b228f207`

[github-actions]

Benchmark comparison has identified performance shifts at

• commit b228f20 ([CI Bot] environment lockfiles auto-update #5199).

Please review the report below and take corrective/congratulatory action as appropriate 🙂

Performance shift report

       before           after         ratio
     [d099f930]       [b228f207]
     <main~1>         <main>    
-        52.2±1ms         36.3±1ms     0.69  import_iris.Iris.time_tests

Generated by GHA run 4457714939

[lbdreyer]

Didn't realise the benchmarks also raised comments when there was a substantial improvement (!), but nonetheless I don't think this requires any action on our part. Repopen if you feel differently