chore(e2e): run tests against Chrome 91 on macOS Catalina

Closes #17144

Author: Splaktar

protractor-circleci-conf.js

@@ -10,8 +10,8 @@ config.sauceKey = process.env.SAUCE_ACCESS_KEY;
 config.multiCapabilities = [
   capabilitiesForSauceLabs({
     browserName: 'chrome',
-    platform: 'OS X 10.14',
-    version: '81'
+    platform: 'OS X 10.15',
+    version: '91'
   }),
   capabilitiesForSauceLabs({
     browserName: 'firefox',