Bump strict-kwargs to 2026.5.18.post1 and revert Python changes

Author: adamtheturtle

pyproject.toml

@@ -96,7 +96,7 @@ optional-dependencies.dev = [
     "sphinx-toolbox==4.2.0rc1",
     "sphinxcontrib-httpdomain==2.0.0",
     "sphinxcontrib-spelling==8.0.2",
-    "strict-kwargs==2026.5.18",
+    "strict-kwargs==2026.5.18.post1",
     "sybil==10.0.1",
     "tenacity==9.1.4",
     "ty==0.0.37",