fix: add missing expression_executor include for linux_arm64 build

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: rustyconover

src/inflector_extension.cpp

@@ -7,6 +7,7 @@
 #include "duckdb/main/config.hpp"
 #include <duckdb/parser/parsed_data/create_scalar_function_info.hpp>
 #include <duckdb/parser/parsed_data/create_table_function_info.hpp>
+#include <duckdb/execution/expression_executor.hpp>
 #include <duckdb/planner/expression/bound_function_expression.hpp>
 #include "rust.h"
 #include "query_farm_telemetry.hpp"