Extract generate_index command to rubygems-generate_index gem

.github/ISSUE_TEMPLATE/config.yml

@@ -3,4 +3,4 @@ blank_issues_enabled: true
 contact_links:
   - name: Installation or Execution failed
     about: Check the Discussions section for reports of a failing installation. Submit your experience (plus logs) if you cannot find reports similar to yours.
-    url: https://github.com/rubygems/rubygems/discussions
+    url: https://github.com/rubygems/rubygems-generate_index/discussions

.github/config.yml

@@ -1,5 +1,5 @@
 newPRWelcomeComment: |
-  Thanks for opening a pull request and helping make RubyGems and Bundler better! Someone from the RubyGems team will take a look at your pull request shortly and leave any feedback. Please make sure that your pull request has tests for any changes or added functionality.
+  Thanks for opening a pull request and helping make rubygems-generate_index better! Someone from the RubyGems team will take a look at your pull request shortly and leave any feedback. Please make sure that your pull request has tests for any changes or added functionality.
 
   We use GitHub Actions to test and make sure your change works functionally and uses acceptable conventions, you can review the current progress of GitHub Actions in the PR status window below.
 

.github/dependabot.yml

@@ -1,14 +1,6 @@
 version: 2
 updates:
-  - package-ecosystem: 'github-actions'
-    directory: '/'
+  - package-ecosystem: "github-actions"
+    directory: "/"
     schedule:
-      interval: 'weekly'
-  - package-ecosystem: 'cargo'
-    directory: '/test/rubygems/test_gem_ext_cargo_builder/custom_name/ext/custom_name_lib'
-    schedule:
-      interval: 'weekly'
-  - package-ecosystem: 'cargo'
-    directory: '/test/rubygems/test_gem_ext_cargo_builder/rust_ruby_example/'
-    schedule:
-      interval: 'weekly'
+      interval: "weekly"