Point to 3.10 release branch for redux (#6601)

webapp/package.json

@@ -22,7 +22,7 @@
     "localforage": "1.5.0",
     "marked": "mattermost/marked#8f5902fff9bad793cd6c66e0c44002c9e79e1317",
     "match-at": "0.1.0",
-    "mattermost-redux": "mattermost/mattermost-redux#webapp-master",
+    "mattermost-redux": "mattermost/mattermost-redux#webapp-3.10",
     "object-assign": "4.1.1",
     "pdfjs-dist": "1.8.361",
     "perfect-scrollbar": "0.7.0",

webapp/yarn.lock

@@ -4882,7 +4882,7 @@ math-expression-evaluator@^1.2.14:
   version "1.2.16"
   resolved "https://registry.yarnpkg.com/math-expression-evaluator/-/math-expression-evaluator-1.2.16.tgz#b357fa1ca9faefb8e48d10c14ef2bcb2d9f0a7c9"
 
-mattermost-redux@mattermost/mattermost-redux#webapp-master:
+mattermost-redux@mattermost/mattermost-redux#webapp-3.10:
   version "0.0.1"
   resolved "https://codeload.github.com/mattermost/mattermost-redux/tar.gz/30af9bdf41aeac4ca5a37817773bd8a9b8372a4a"
   dependencies: