fix: add python-wheel

[simendsjo]

Without this package, I get the following error:

starting phase `build'
Using 'setuptools.build_meta' to build wheels, auto-detected 'setuptools.build_meta', override '#f'. Prepending '[]' to sys.path, auto-detected '#f', override '#f'. usage: -c [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
   or: -c --help [cmd1 cmd2 ...]
   or: -c --help-commands
   or: -c cmd --help

error: invalid command 'bdist_wheel'
error: in phase 'build': uncaught exception:
%exception #<&invoke-error program: "python" arguments: ("-c" "import sys, importlib, json\nbackend_path = json.loads (sys.argv[1]) or []\nbackend_path.extend (sys.path)\nsys.path = backend_path\nconfig_settings = json.loads (sys.argv[4])\nbuilder = importlib.import_module(sys.argv[2])\nbuilder.build_wheel(sys.argv[3], config_settings=config_settings)" "[]" "setuptools.build_meta" "dist" "{}") exit-status: 1 term-signal: #f stop-signal: #f>
phase `build' failed after 0.2 seconds
command "python" "-c" "import sys, importlib, json\nbackend_path = json.loads (sys.argv[1]) or []\nbackend_path.extend (sys.path)\nsys.path = backend_path\nconfig_settings = json.loads (sys.argv[4])\nbuilder = importlib.import_module(sys.argv[2])\nbuilder.build_wheel(sys.argv[3], config_settings=config_settings)" "[]" "setuptools.build_meta" "dist" "{}" failed with status 1 build process 18 exited with status 256