refactor: better name and value for SABI (#342)

Easier to use in a CMakeLists.

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: henryiii

src/scikit_build_core/builder/builder.py

@@ -167,7 +167,9 @@ def configure(
             cache_config["SKBUILD_SOABI"] = ext_suffix.rsplit(".", 1)[0].lstrip(".")
 
         # Allow CMakeLists to detect this is supposed to be a limited ABI build
-        cache_config["SKBUILD_LIMITED_ABI"] = limited_abi
+        cache_config["SKBUILD_SABI_COMPONENT"] = (
+            "Development.SABIModule" if limited_abi else ""
+        )
 
         if cache_entries:
             cache_config.update(cache_entries)