Update version number in README.

Author: tofumatt

readme.txt

@@ -4,7 +4,7 @@ Contributors:      google
 Requires at least: 5.2
 Tested up to:      6.8
 Requires PHP:      7.4
-Stable tag:        1.160.1
+Stable tag:        1.161.0
 License:           Apache License 2.0
 License URI:       https://www.apache.org/licenses/LICENSE-2.0
 Tags:              google, search-console, analytics, adsense, pagespeed-insights