cibuildwheel: build only cp38 to cp312

Author: PierreRaybaut

pyproject.toml

@@ -42,7 +42,7 @@ classifiers = [
     "Topic :: Software Development :: Widget Sets",
     "Topic :: Utilities",
 ]
-requires-python = ">=3.8, <=3.12"  # Upper limit will be removed when dropping Python 3.8 support
+requires-python = ">=3.8, <4"
 dependencies = [
     "guidata>=3.6.1",
     "PythonQwt>=0.12.1",
@@ -107,3 +107,6 @@ line-ending = "auto"              # Like Black, automatically detect the appropr
 
 [tool.ruff.lint.per-file-ignores]
 "doc/*" = ["E402"]
+
+[tool.cibuildwheel]
+build = ["cp38-*", "cp39-*", "cp310-*", "cp311-*", "cp312-*"]