fix: uv-build configuration with non-src layouts

Author: azmeuk

pyproject.toml

@@ -36,6 +36,9 @@ repository = "https://github.com/python-scim/scim2-tester"
 changelog = "https://scim2-tester.readthedocs.io/en/latest/changelog.html"
 funding = "https://github.com/sponsors/python-scim"
 
+[tool.uv.build-backend]
+module-root = ""
+
 [project.optional-dependencies]
 httpx = [
     "scim2-client[httpx]>=0.4.0",