renamed jobsets fail to evaluate

[vcunat]

Steps to reproduce the behavior:

1. create a jobset
2. rename it
3. try to evaluate
4. evaluation failed with exit code 255 In logs:

   hydra-evaluator[545550]: starting evaluation of jobset ‘nixos:release-23.05-small (jobset#492)’ (last checked 28800 s ago)
   hydra-evaluator[39031]: /nix/store/*-hydra-0.1.20221124.0118770/bin/.hydra-eval-jobset-wrapped: specified jobset "nixos:release-23.05-small" does not exist
   hydra-evaluator[545550]: evaluation of jobset ‘nixos:release-23.05-small (jobset#492)’ failed with exit code 255
   

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On hydra.nixos.org I made some typos when creating 23.05 jobsets. As a workaround I renamed them again and deactivated, and created a correct replacements instead. Example dead jobset: https://hydra.nixos.org/jobset/nixpkgs/nixpkgsxx-23.05-darwin#tabs-errors

[vcunat]

(Renaming back to the original name makes the evals succeed again.)