Do not throw HTTP errors in request node

Fixes #3082

GOT will throw errors for non-successful http responses by default. We need to turn that
off to be consistent with the 1.x behaviour using the request module

packages/node_modules/@node-red/nodes/core/network/21-httprequest.js

@@ -151,6 +151,7 @@ in your Node-RED user directory (${RED.settings.userDir}).
             // Had to remove this to get http->https redirect to work
             // opts.defaultPort = isHttps?443:80;
             opts.timeout = node.reqTimeout;
+            opts.throwHttpErrors = false;
             opts.method = method;
             opts.headers = {};
             opts.retry = 0;