fix: Cast non-hashable types to floats in toms748_scan#2467

matthewfeickert wants to merge 3 commits intomainscikit-hep/pyhf:mainfrom

fix/make-toms748_scan-compatible-with-all-backendsscikit-hep/pyhf:fix/make-toms748_scan-compatible-with-all-backendsCopy head branch name to clipboard