sync: update backend/ from python-copier-template (#17)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: albertotb

backend/pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=45", "setuptools_scm[toml]>=6.2"]
+requires = ["setuptools>=83.0.0", "setuptools_scm[toml]>=10.2.1"]
 build-backend = "setuptools.build_meta"
 
 [project]