Make wasm runtime cache size configurable (#10177)

* Make wasm runtime cache size configurable

* apply review comments

* remove VersionedRuntimeValue

* fix compilation

* VersionedRuntime: replace clone by Arc

* fmt

* fix warnings

* fix tests compilation

* fmt

substrate/client/service/test/src/client/mod.rs

@@ -72,7 +72,12 @@ impl sc_executor::NativeExecutionDispatch for ExecutorDispatch {
 }
 
 fn executor() -> sc_executor::NativeElseWasmExecutor<ExecutorDispatch> {
-	sc_executor::NativeElseWasmExecutor::new(sc_executor::WasmExecutionMethod::Interpreted, None, 8)
+	sc_executor::NativeElseWasmExecutor::new(
+		sc_executor::WasmExecutionMethod::Interpreted,
+		None,
+		8,
+		2,
+	)
 }
 
 fn construct_block(

substrate/client/service/test/src/lib.rs

@@ -261,6 +261,7 @@ fn node_config<
 		announce_block: true,
 		base_path: Some(BasePath::new(root)),
 		informant_output_format: Default::default(),
+		runtime_cache_size: 2,
 	}
 }