Add setuptools_scm for dynamic versioning and update dependencies in pyproject.toml

Author: skilledwolf

pyproject.toml

@@ -1,5 +1,10 @@
 [build-system]
-requires = ["scikit-build-core>=0.9", "pybind11>=2.11", "numpy"]
+requires = [
+  "scikit-build-core>=0.9",
+  "pybind11>=2.11",
+  "numpy",
+  "setuptools_scm[toml]>=8",
+]
 build-backend = "scikit_build_core.build"
 
 [project]
@@ -26,6 +31,14 @@ classifiers = [
 Homepage = "https://github.com/skilledwolf/cpp_hf"
 Issues   = "https://github.com/skilledwolf/cpp_hf/issues"
 
+# Provide version dynamically from git tags via setuptools_scm
+[tool.setuptools_scm]
+fallback_version = "0.0.0"
+tag_regex = "^(?:v)?(?P<version>\d+\.\d+\.\d+)$"
+
+[tool.scikit-build.metadata]
+version = { provider = "scikit_build_core.metadata.setuptools_scm" }
+
 #[tool.scikit-build]
 # No pure-Python packages shipped; wheel only contains the extension module