Update simplecov gem.

.simplecov

@@ -1,10 +1,8 @@
 SimpleCov.start "rails" do
   add_group "Libraries", ["app/logical", "lib"]
   add_group "Presenters", "app/presenters"
-  #enable_coverage :branch
-  #minimum_coverage line: 85, branch: 75
-  #minimum_coverage_by_file 50
-  #coverage_dir "tmp/coverage"
+  add_group "Policies", "app/policies"
+  enable_coverage :branch
 
   # https://github.com/codecov/codecov-ruby#submit-only-in-ci-example
   if ENV["CODECOV_TOKEN"]

Gemfile

@@ -80,7 +80,7 @@ group :test do
   gem "factory_bot"
   gem "mocha", require: "mocha/minitest"
   gem "ffaker"
-  gem "simplecov", "~> 0.17.0", require: false
+  gem "simplecov", require: false
   gem "minitest-ci"
   gem "minitest-reporters", require: "minitest/reporters"
   gem "mock_redis"

Gemfile.lock

@@ -337,11 +337,10 @@ GEM
     simple_form (5.0.2)
       actionpack (>= 5.0)
       activemodel (>= 5.0)
-    simplecov (0.17.1)
+    simplecov (0.18.5)
       docile (~> 1.1)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
+      simplecov-html (~> 0.11)
+    simplecov-html (0.12.2)
     sprockets (4.0.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
@@ -454,7 +453,7 @@ DEPENDENCIES
   shoulda-context
   shoulda-matchers
   simple_form
-  simplecov (~> 0.17.0)
+  simplecov
   stackprof
   streamio-ffmpeg
   stripe