Bump dotenv-rails from 2.7.4 to 2.7.5 (#11487)

Bumps [dotenv-rails](https://github.com/bkeepers/dotenv) from 2.7.4 to 2.7.5.
- [Release notes](https://github.com/bkeepers/dotenv/releases)
- [Changelog](https://github.com/bkeepers/dotenv/blob/master/Changelog.md)
- [Commits](https://github.com/bkeepers/dotenv/compare/v2.7.4...v2.7.5)

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

Gemfile.lock

@@ -209,9 +209,9 @@ GEM
       unf (>= 0.0.5, < 1.0.0)
     doorkeeper (5.1.0)
       railties (>= 5)
-    dotenv (2.7.4)
-    dotenv-rails (2.7.4)
-      dotenv (= 2.7.4)
+    dotenv (2.7.5)
+    dotenv-rails (2.7.5)
+      dotenv (= 2.7.5)
       railties (>= 3.2, < 6.1)
     elasticsearch (6.0.2)
       elasticsearch-api (= 6.0.2)
@@ -476,7 +476,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
+    rails-html-sanitizer (1.1.0)
       loofah (~> 2.2, >= 2.2.2)
     rails-i18n (5.1.3)
       i18n (>= 0.7, < 2)
@@ -490,7 +490,7 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
     rainbow (3.0.0)
-    rake (12.3.2)
+    rake (12.3.3)
     rdf (3.0.12)
       hamster (~> 3.0)
       link_header (~> 0.0, >= 0.0.8)