Use >= 8.2.0 instead of ~> 8.2.0 for shakapacker in examples

This helps avoid Bundler conflicts during generator tests where
both exact and flexible version constraints might be specified.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: justin808

rakelib/shakapacker_examples.rake

@@ -34,7 +34,7 @@ namespace :shakapacker_examples do # rubocop:disable Metrics/BlockLength
       sh_in_dir(example_type.dir, "touch .gitignore")
       sh_in_dir(example_type.dir,
                 "echo \"gem 'react_on_rails', path: '#{relative_gem_root}'\" >> #{example_type.gemfile}")
-      sh_in_dir(example_type.dir, "echo \"gem 'shakapacker', '~> 8.2.0'\" >> #{example_type.gemfile}")
+      sh_in_dir(example_type.dir, "echo \"gem 'shakapacker', '>= 8.2.0'\" >> #{example_type.gemfile}")
       bundle_install_in(example_type.dir)
       sh_in_dir(example_type.dir, "rake shakapacker:install")
       sh_in_dir(example_type.dir, example_type.generator_shell_commands)

rakelib/webpacker_examples.rake

@@ -34,7 +34,7 @@ namespace :webpacker_examples do # rubocop:disable Metrics/BlockLength
       sh_in_dir(example_type.dir, "touch .gitignore")
       sh_in_dir(example_type.dir,
                 "echo \"gem 'react_on_rails', path: '#{relative_gem_root}'\" >> #{example_type.gemfile}")
-      sh_in_dir(example_type.dir, "echo \"gem 'shakapacker', '~> 8.2.0'\" >> #{example_type.gemfile}")
+      sh_in_dir(example_type.dir, "echo \"gem 'shakapacker', '>= 8.2.0'\" >> #{example_type.gemfile}")
       bundle_install_in(example_type.dir)
       sh_in_dir(example_type.dir, "rake shakapacker:install")
       shell_commands = []