Bump redis-activesupport from 5.0.4 to 5.2.0 (#13599)

Bumps [redis-activesupport](http://redis-store.org/redis-activesupport) from 5.0.4 to 5.2.0.

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Gemfile.lock

@@ -495,8 +495,8 @@ GEM
       actionpack (>= 5, < 7)
       redis-rack (>= 2.1.0, < 3)
       redis-store (>= 1.1.0, < 2)
-    redis-activesupport (5.0.4)
-      activesupport (>= 3, < 6)
+    redis-activesupport (5.2.0)
+      activesupport (>= 3, < 7)
       redis-store (>= 1.3, < 2)
     redis-namespace (1.7.0)
       redis (>= 3.0.4)