add wheel to build-system requirements

pyproject.toml

@@ -54,7 +54,7 @@ borg = "borg.archiver:main"
 borgfs = "borg.archiver:main"
 
 [build-system]
-requires = ["setuptools", "pkgconfig", "Cython", "setuptools_scm[toml]>=6.2"]
+requires = ["setuptools", "wheel", "pkgconfig", "Cython", "setuptools_scm[toml]>=6.2"]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools_scm]