python3Packages.duet: disable failing test due to builder being too busy

[elikoga]

Disables failing test test_repeated_sleep that fails because the builder is too busy and takes more than 0.3s more than expected.

Should fix https://hydra.nixos.org/build/277923804 and https://hydra.nixos.org/build/277926928

Needs 24.11 backport for ZHF #ZurichZHF

ZHF: #352882

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandboxing enabled in nix.conf? (See Nix manual)
  • sandbox = relaxed
  • sandbox = true
• Tested, as applicable:
  • NixOS test(s) (look inside nixos/tests)
  • and/or package tests
  • or, for functions and "core" functionality, tests in lib/tests or pkgs/test
  • made sure NixOS tests are linked to the relevant packages
• Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
• Tested basic functionality of all binary files (usually in ./result/bin/)
• 25.05 Release Notes (or backporting 24.11 and 25.05 Release notes)
  • (Package updates) Added a release notes entry if the change is major or breaking
  • (Module updates) Added a release notes entry if the change is significant
  • (Module addition) Added a release notes entry if adding a new NixOS module
• Fits CONTRIBUTING.md.

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[wegank]

Please fix the commit message according to https://github.com/NixOS/nixpkgs/tree/master/pkgs#commit-conventions, thanks!

[github-actions]

Successfully created backport PR for release-24.11:

• [Backport release-24.11] python3Packages.duet: disable failing test due to builder being too busy #358482