refactor(ci): convert CRD schema generator to uv inline script

ci/generate-crd-schemas.py

@@ -1,9 +1,13 @@
-#!/usr/bin/env python3
+#!/usr/bin/env -S uv run
+# /// script
+# requires-python = ">=3.11"
+# dependencies = ["pyyaml"]
+# ///
 """
 Extract OpenAPI v3 schemas from CRD YAML on stdin and write JSON schema files
 to the output directory for use with kubeconform.
 
-Usage: kustomize build ... | python3 ci/generate-crd-schemas.py <output-dir>
+Usage: kustomize build ... | ci/generate-crd-schemas.py <output-dir>
 """
 import sys
 import json

ci/generate-crd-schemas.sh

@@ -16,7 +16,7 @@ total=0
 while IFS= read -r -d "" k; do
   dir="$(dirname "$k")"
   n=$(kustomize build --enable-helm "$dir" 2>/dev/null \
-    | python3 "$SCRIPT_DIR/generate-crd-schemas.py" "$OUTPUT_DIR") || continue
+    | "$SCRIPT_DIR/generate-crd-schemas.py" "$OUTPUT_DIR") || continue
   total=$((total + n))
 done < <(find apps/overlays clusters -name kustomization.yaml -print0 | sort -z)