Call emitWarningIfUnsupportedVersion from getRuntimeConfig (#549)

Author: trivikr

smithy-typescript-codegen/src/main/resources/software/amazon/smithy/typescript/codegen/runtimeConfig.ts.template

@@ -2,11 +2,13 @@ import { ${clientConfigName} } from "${clientModuleName}";
 import { getRuntimeConfig as getSharedRuntimeConfig } from "./runtimeConfig.shared";
 import { loadConfigsForDefaultMode } from "@aws-sdk/smithy-client";
 import { resolveDefaultsModeConfig } from "@aws-sdk/util-defaults-mode-node";
+import { emitWarningIfUnsupportedVersion } from "@aws-sdk/smithy-client";
 
 /**
  * @internal
  */
 export const getRuntimeConfig = (config: ${clientConfigName}) => {
+  emitWarningIfUnsupportedVersion(process.version);
   const defaultsMode = resolveDefaultsModeConfig(config);
   const defaultConfigProvider = () => defaultsMode().then(loadConfigsForDefaultMode);
   const clientSharedValues = getSharedRuntimeConfig(config);