chore: allow uv 0.12 until uv 0.13.4 passes the exclude-newer window

uv 0.13.4 and uv_build 0.13.4 are less than 14 days old, so exclude-newer
filters them out, and the package cannot be built.

Author: azmeuk

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["uv_build>=0.13.4,<0.14.0"]
+requires = ["uv_build>=0.12.13,<0.13.0"]
 build-backend = "uv_build"
 
 [project]
@@ -77,7 +77,7 @@ doc = [
 ]
 
 [tool.uv]
-required-version = ">=0.13.4"
+required-version = ">=0.12.13"
 exclude-newer = "14 days"
 exclude-newer-package = { scim2-models = false, scim2-client = false, scim2-server = false, scim2-cli = false, scim2-tester = false, pytest-scim2-server = false }