Resolve lockfile simplecov versions

Gemfile.lock

@@ -404,8 +404,6 @@ GEM
     nio4r (2.7.0)
     nokogiri (1.16.2-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.2-x86_64-linux)
-      racc (~> 1.4)
     oauth2 (2.0.9)
       faraday (>= 0.17.3, < 3.0)
       jwt (>= 1.0, < 3.0)
@@ -639,13 +637,11 @@ GEM
     simple_po_parser (1.1.6)
     simplecov (0.17.1)
       docile (~> 1.1)
-      simplecov-html (~> 0.11)
-      simplecov_json_formatter (~> 0.1)
-    simplecov-cobertura (2.1.0)
-      rexml
-      simplecov (~> 0.19)
-    simplecov-html (0.12.3)
-    simplecov_json_formatter (0.1.4)
+      json (>= 1.8, < 3)
+      simplecov-html (~> 0.10.0)
+    simplecov-cobertura (1.4.2)
+      simplecov (~> 0.8)
+    simplecov-html (0.10.2)
     snaky_hash (2.0.1)
       hashie
       version_gem (~> 1.1, >= 1.1.1)
@@ -657,7 +653,6 @@ GEM
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
     sqlite3 (1.6.3-arm64-darwin)
-    sqlite3 (1.6.3-x86_64-linux)
     ssrf_filter (1.1.1)
     stripe (5.55.0)
     stripe-ruby-mock (3.1.0.rc3)
@@ -719,9 +714,6 @@ GEM
 
 PLATFORMS
   arm64-darwin-23
-  x86_64-darwin-21
-  x86_64-darwin-22
-  x86_64-linux
 
 DEPENDENCIES
   active_model_serializers