Set cobertura as simplecove formatter in github actions

Gemfile.lock

@@ -128,9 +128,6 @@ GEM
       aws_cf_signer
       rest-client
     cocoon (1.2.14)
-    codecov (0.2.11)
-      json
-      simplecov
     coderay (1.1.1)
     concurrent-ruby (1.1.8)
     connection_pool (2.2.2)
@@ -164,7 +161,7 @@ GEM
     devise_ichain_authenticatable (0.3.2)
       devise (>= 2.2)
     diff-lcs (1.3)
-    docile (1.3.2)
+    docile (1.3.5)
     domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
     dotenv (2.7.5)
@@ -530,10 +527,14 @@ GEM
     shellany (0.0.1)
     shoulda-matchers (4.1.2)
       activesupport (>= 4.2.0)
-    simplecov (0.19.0)
+    simplecov (0.21.2)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-cobertura (1.4.2)
+      simplecov (~> 0.8)
     simplecov-html (0.12.3)
+    simplecov_json_formatter (0.1.2)
     sixarm_ruby_unaccent (1.2.0)
     skylight (3.1.5)
       skylight-core (= 3.1.5)
@@ -633,7 +634,6 @@ DEPENDENCIES
   climate_control
   cloudinary
   cocoon
-  codecov
   countable-rails
   country_select
   daemons
@@ -706,6 +706,7 @@ DEPENDENCIES
   sass-rails (>= 4.0.2)
   selectize-rails
   shoulda-matchers
+  simplecov-cobertura
   skylight
   spring-commands-rspec
   sprockets-rails