fix: create repos from module extension

Author: rcarcasses

sbom/extensions.bzl

@@ -1,13 +1,13 @@
 """Module extensions for configuring rules_sbom dependencies."""
 
+load("//sbom:repositories.bzl", "syft_repository")
 load("//sbom:setup.bzl", "rules_sbom_setup")
 
 def _sbom_setup_impl(module_ctx):
-    syft_repo = module_ctx.use_repo_rule(
-        "//sbom:repositories.bzl",
-        "syft_repository",
-    )
-    rules_sbom_setup(syft_repo)
+    def _syft_repo(**kwargs):
+        module_ctx.use_repo(syft_repository, **kwargs)
+
+    rules_sbom_setup(_syft_repo)
 
 sbom_setup = module_extension(
     implementation = _sbom_setup_impl,