TMP: Try setuptools_scm 8

Author: HaoZeke

pyproject.toml

@@ -77,7 +77,7 @@ hg = [
 requires = [
     "wheel",
     "setuptools>=64",
-    "setuptools_scm>=7",
+    "setuptools_scm>=6",
 ]
 build-backend = "setuptools.build_meta"
 
@@ -112,6 +112,7 @@ only_sections = true
 
 [tool.setuptools_scm]
 version_file = "asv/_version.py"
+write_to = "asv/_version.py"
 
 [tool.cibuildwheel.linux]
 manylinux-x86_64-image = "manylinux2014"