test(rubygems): Format fixture data (#23518)

lib/modules/datasource/rubygems/__fixtures__/rails/info.json

-{"name":"rails","downloads":156058530,"version":"5.2.2","version_downloads":385084,"platform":"ruby","authors":"David Heinemeier Hansson","info":"Ruby on Rails is a full-stack web framework optimized for programmer happiness and sustainable productivity. It encourages beautiful code by favoring convention over configuration.","licenses":["MIT"],"metadata":{},"sha":"d9ff5d9be16ee277dfc8f3c760bf171aa497d8685ec5c8988fba21a3dbd72cd5","project_uri":"https://rubygems.org/gems/rails","gem_uri":"https://rubygems.org/gems/rails-5.2.2.gem","homepage_uri":"http://rubyonrails.org","wiki_uri":"","documentation_uri":"http://api.rubyonrails.org","mailing_list_uri":"http://groups.google.com/group/rubyonrails-talk","source_code_uri":"http://github.com/rails/rails","bug_tracker_uri":"http://github.com/rails/rails/issues","changelog_uri":"https://www.railschangelog.com/","dependencies":{"development":[],"runtime":[{"name":"actioncable","requirements":"= 5.2.2"},{"name":"actionmailer","requirements":"= 5.2.2"},{"name":"actionpack","requirements":"= 5.2.2"},{"name":"actionview","requirements":"= 5.2.2"},{"name":"activejob","requirements":"= 5.2.2"},{"name":"activemodel","requirements":"= 5.2.2"},{"name":"activerecord","requirements":"= 5.2.2"},{"name":"activestorage","requirements":"= 5.2.2"},{"name":"activesupport","requirements":"= 5.2.2"},{"name":"bundler","requirements":"\u003e= 1.3.0"},{"name":"railties","requirements":"= 5.2.2"},{"name":"sprockets-rails","requirements":"\u003e= 2.0.0"}]}}
+{
+  "name": "rails",
+  "downloads": 156058530,
+  "version": "5.2.2",
+  "version_downloads": 385084,
+  "platform": "ruby",
+  "authors": "David Heinemeier Hansson",
+  "info": "Ruby on Rails is a full-stack web framework optimized for programmer happiness and sustainable productivity. It encourages beautiful code by favoring convention over configuration.",
+  "licenses": [
+    "MIT"
+  ],
+  "metadata": {},
+  "sha": "d9ff5d9be16ee277dfc8f3c760bf171aa497d8685ec5c8988fba21a3dbd72cd5",
+  "project_uri": "https://rubygems.org/gems/rails",
+  "gem_uri": "https://rubygems.org/gems/rails-5.2.2.gem",
+  "homepage_uri": "http://rubyonrails.org",
+  "wiki_uri": "",
+  "documentation_uri": "http://api.rubyonrails.org",
+  "mailing_list_uri": "http://groups.google.com/group/rubyonrails-talk",
+  "source_code_uri": "http://github.com/rails/rails",
+  "bug_tracker_uri": "http://github.com/rails/rails/issues",
+  "changelog_uri": "https://www.railschangelog.com/",
+  "dependencies": {
+    "development": [],
+    "runtime": [
+      {
+        "name": "actioncable",
+        "requirements": "= 5.2.2"
+      },
+      {
+        "name": "actionmailer",
+        "requirements": "= 5.2.2"
+      },
+      {
+        "name": "actionpack",
+        "requirements": "= 5.2.2"
+      },
+      {
+        "name": "actionview",
+        "requirements": "= 5.2.2"
+      },
+      {
+        "name": "activejob",
+        "requirements": "= 5.2.2"
+      },
+      {
+        "name": "activemodel",
+        "requirements": "= 5.2.2"
+      },
+      {
+        "name": "activerecord",
+        "requirements": "= 5.2.2"
+      },
+      {
+        "name": "activestorage",
+        "requirements": "= 5.2.2"
+      },
+      {
+        "name": "activesupport",
+        "requirements": "= 5.2.2"
+      },
+      {
+        "name": "bundler",
+        "requirements": "\u003e= 1.3.0"
+      },
+      {
+        "name": "railties",
+        "requirements": "= 5.2.2"
+      },
+      {
+        "name": "sprockets-rails",
+        "requirements": "\u003e= 2.0.0"
+      }
+    ]
+  }
+}