chore: checkpoint before Python removal

vendor/kube-derive/tests/ui/missing_required.rs

@@ -0,0 +1,10 @@
+use kube_derive::CustomResource;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+
+#[derive(CustomResource, Serialize, Deserialize, Debug, Clone, JsonSchema)]
+struct FooSpec {
+    foo: String,
+}
+
+fn main() {}