node_modules: update (#340)

Co-authored-by: dawidd6 <9713907+dawidd6@users.noreply.github.com>

node_modules/nodemailer/dist/cjs/smtp-connection/http-proxy-client.js

@@ -126,18 +126,28 @@ function httpProxyClient(proxyUrl, destinationPort, destinationHost, tlsOptions,
                 .join('\r\n') +
             // End request
             '\r\n\r\n');
-        let headers = '';
+        // The response is collected as chunks and only the bytes that just arrived, together
+        // with the three before them, are searched for the end of the headers. Appending to a
+        // string and searching all of it again re-read the whole response on every chunk.
+        const chunks = [];
+        let received = 0;
+        let tail = '';
         const onSocketData = (chunk) => {
             let match;
-            let remainder;
             if (finished) {
                 return;
             }
-            headers += chunk.toString('binary');
-            if ((match = headers.match(/\r\n\r\n/))) {
+            const window = tail + chunk.toString('binary');
+            const windowEnd = window.indexOf('\r\n\r\n');
+            chunks.push(chunk);
+            received += chunk.length;
+            tail = window.slice(-3);
+            if (windowEnd >= 0) {
                 socket.removeListener('data', onSocketData);
-                remainder = headers.substr(match.index + match[0].length);
-                headers = headers.substr(0, match.index);
+                const headerEnd = received - window.length + windowEnd;
+                const response = Buffer.concat(chunks, received).toString('binary');
+                const headers = response.substr(0, headerEnd);
+                const remainder = response.substr(headerEnd + 4);
                 if (remainder) {
                     socket.unshift(Buffer.from(remainder, 'binary'));
                 }
@@ -161,7 +171,7 @@ function httpProxyClient(proxyUrl, destinationPort, destinationHost, tlsOptions,
                 socket.setTimeout(0);
                 return done(null, socket);
             }
-            if (headers.length > MAX_RESPONSE_HEADER_BYTES) {
+            if (received > MAX_RESPONSE_HEADER_BYTES) {
                 socket.removeListener('data', onSocketData);
                 const err = new Error('Proxy response headers too large');
                 err.code = errors.EPROXY;