Bump redis from 4.1.1 to 4.1.2 (#10899) [Monserfork: add `cld` and `ostatus2` gems to ease future merges.]

Bumps [redis](https://github.com/redis/redis-rb) from 4.1.1 to 4.1.2.
- [Release notes](https://github.com/redis/redis-rb/releases)
- [Changelog](https://github.com/redis/redis-rb/blob/master/CHANGELOG.md)
- [Commits](https://github.com/redis/redis-rb/compare/v4.1.1...v4.1.2)

Gemfile.lock

@@ -145,6 +145,8 @@ GEM
       elasticsearch (>= 2.0.0)
       elasticsearch-dsl
     chunky_png (1.3.10)
+    cld3 (3.2.4)
+      ffi (>= 1.1.0, < 1.11.0)
     climate_control (0.2.0)
     cocaine (0.5.8)
       climate_control (>= 0.0.3, < 1.0)
@@ -378,6 +380,10 @@ GEM
       omniauth (~> 1.3, >= 1.3.2)
       ruby-saml (~> 1.7)
     orm_adapter (0.5.0)
+    ostatus2 (2.0.3)
+      addressable (~> 2.5)
+      http (~> 3.0)
+      nokogiri (~> 1.8)
     ox (2.10.1)
     paperclip (6.0.0)
       activemodel (>= 4.2.0)
@@ -475,7 +481,7 @@ GEM
     rdf-normalize (0.3.3)
       rdf (>= 2.2, < 4.0)
     redcarpet (3.4.0)
-    redis (4.1.1)
+    redis (4.1.2)
     redis-actionpack (5.0.2)
       actionpack (>= 4.0, < 6)
       redis-rack (>= 1, < 3)
@@ -672,6 +678,7 @@ DEPENDENCIES
   capybara (~> 3.22)
   charlock_holmes (~> 0.7.6)
   chewy (~> 5.0)
+  cld3 (~> 3.2.4)
   climate_control (~> 0.2)
   concurrent-ruby
   derailed_benchmarks
@@ -718,6 +725,7 @@ DEPENDENCIES
   omniauth (~> 1.9)
   omniauth-cas (~> 1.1)
   omniauth-saml (~> 1.10)
+  ostatus2 (~> 2.0)
   ox (~> 2.10)
   paperclip (~> 6.0)
   paperclip-av-transcoder (~> 0.6)