fix: strip epoch from SKBUILD_PROJECT_VERSION (#829)

See #828. CMake
will not understand the epoch, so not including it. It's still in
`SKBUILD_PROJECT_FULL_VERSION`.

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

src/scikit_build_core/builder/builder.py

@@ -159,7 +159,9 @@ def configure(
  canonical_name = name.replace("-", "_").replace(".", "_")
  cache_config["SKBUILD_PROJECT_NAME"] = canonical_name
  if version is not None:
- cache_config["SKBUILD_PROJECT_VERSION"] = version.base_version
+ cache_config["SKBUILD_PROJECT_VERSION"] = ".".join(
+ str(v) for v in version.release
+ )
  cache_config["SKBUILD_PROJECT_VERSION_FULL"] = str(version)
 
  if limited_api is None: