Add NO_COLOR standard environment flag to sync-server logging. (#5676)

* Add NO_COLOR standard environment flag to sync-server logging.

* [autofix.ci] apply automated fixes

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

packages/sync-server/src/util/middlewares.js

@@ -48,7 +48,9 @@ const validateSessionMiddleware = async (req, res, next) => {
 const requestLoggerMiddleware = expressWinston.logger({
   transports: [new winston.transports.Console()],
   format: winston.format.combine(
-    winston.format.colorize(),
+    ...(Object.prototype.hasOwnProperty.call(process.env, 'NO_COLOR')
+      ? []
+      : [winston.format.colorize()]),
     winston.format.timestamp(),
     winston.format.printf(args => {
       const { timestamp, level, meta } = args;

upcoming-release-notes/5676.md

@@ -0,0 +1,6 @@
+---
+category: Enhancements
+authors: [michaelsanford]
+---
+
+Add NO_COLOR standard environment flag to sync-server logging (https://no-color.org/).