Bump requires-python.

Author: Julian

pyproject.toml

@@ -8,7 +8,7 @@ source = "vcs"
 [project]
 name = "referencing-loaders"
 description = "Loading resources from various locations into referencing registries"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 readme = "README.rst"
 license = "MIT"
 license-files = ["COPYING"]