add stdout feature for consistency

.vscode/settings.json

@@ -1,3 +1,3 @@
 {
-  "rust-analyzer.cargo.features": ["duckdb", "bigquery"]
+  "rust-analyzer.cargo.features": ["duckdb", "bigquery", "stdout"]
 }

pg_replicate/Cargo.toml

@@ -13,6 +13,10 @@ required-features = ["bigquery"]
 name = "duckdb"
 required-features = ["duckdb"]
 
+[[example]]
+name = "stdout"
+required-features = ["stdout"]
+
 [dependencies]
 async-trait = { workspace = true }
 bytes = { workspace = true }
@@ -46,4 +50,5 @@ tracing-subscriber = { workspace = true, default-features = true, features = [
 [features]
 bigquery = ["dep:gcp-bigquery-client", "dep:prost"]
 duckdb = ["dep:duckdb"]
+stdout = []
 default = []

pg_replicate/src/pipeline/sinks/mod.rs

@@ -25,6 +25,7 @@ use self::duckdb::{DuckDbExecutorError, DuckDbRequest};
 pub mod bigquery;
 #[cfg(feature = "duckdb")]
 pub mod duckdb;
+#[cfg(feature = "stdout")]
 pub mod stdout;
 
 #[derive(Debug, Error)]