qsampler: 0.5.0 -> 0.5.1 (#41526)

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/qsampler/versions.

These checks were done:

- built on NixOS
- Warning: no invocation of /nix/store/wjb056clfsdy4z4f31nnr5jsm97lkrd3-qsampler-0.5.1/bin/qsampler had a zero exit code or showed the expected version
- 0 of 1 passed binary check by having a zero exit code.
- 0 of 1 passed binary check by having the new version present in output.
- found 0.5.1 with grep in /nix/store/wjb056clfsdy4z4f31nnr5jsm97lkrd3-qsampler-0.5.1
- directory tree listing: https://gist.github.com/bb864f141bbd7bd8f3d6ced7d86fbac5
- du listing: https://gist.github.com/bdce0e9f2ef4b38440f76509b4012a26