Bump redis-namespace from 1.6.0 to 1.7.0 (#12727)

Bumps [redis-namespace](https://github.com/resque/redis-namespace) from 1.6.0 to 1.7.0.
- [Release notes](https://github.com/resque/redis-namespace/releases)
- [Changelog](https://github.com/resque/redis-namespace/blob/master/CHANGELOG.md)
- [Commits](https://github.com/resque/redis-namespace/compare/v1.6.0...v1.7.0)

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

Gemfile

@@ -50,7 +50,7 @@ gem 'fast_blank', '~> 1.0'
 gem 'fastimage'
 gem 'goldfinger', '~> 2.1'
 gem 'hiredis', '~> 0.6'
-gem 'redis-namespace', '~> 1.5'
+gem 'redis-namespace', '~> 1.7'
 gem 'health_check', git: 'https://github.com/ianheggie/health_check', ref: '0b799ead604f900ed50685e9b2d469cd2befba5b'
 gem 'htmlentities', '~> 4.3'
 gem 'http', '~> 3.3'

Gemfile.lock

@@ -517,7 +517,7 @@ GEM
     redis-activesupport (5.0.4)
       activesupport (>= 3, < 6)
       redis-store (>= 1.3, < 2)
-    redis-namespace (1.6.0)
+    redis-namespace (1.7.0)
       redis (>= 3.0.4)
     redis-rack (2.0.4)
       rack (>= 1.5, < 3)
@@ -773,7 +773,7 @@ DEPENDENCIES
   rails-settings-cached (~> 0.6)
   rdf-normalize (~> 0.3)
   redis (~> 4.1)
-  redis-namespace (~> 1.5)
+  redis-namespace (~> 1.7)
   redis-rails (~> 5.0)
   rqrcode (~> 0.10)
   rspec-rails (~> 3.9)