Require RuboCop AST 1.30.0+

Follow up rubocop/rubocop#12305.

changelog/change_require_rubocop_ast_1_30.md

@@ -0,0 +1 @@
+* [#380](https://github.com/rubocop/rubocop-performance/pull/380): Require RuboCop AST 1.30.0+. ([@koic][])

lib/rubocop/cop/performance/inefficient_hash_search.rb

@@ -89,7 +89,7 @@ def use_long_method
         end
 
         def correct_argument(node)
-          node.arguments.first.source
+          node.first_argument.source
         end
 
         def correct_hash_expression(node)

lib/rubocop/cop/performance/redundant_equality_comparison_block.rb

@@ -63,7 +63,7 @@ def on_block(node)
           return unless TARGET_METHODS.include?(node.method_name)
           return unless one_block_argument?(node.arguments)
 
-          block_argument = node.arguments.first
+          block_argument = node.first_argument
           block_body = node.body
           return unless use_equality_comparison_block?(block_body)
           return if same_block_argument_and_is_a_argument?(block_body, block_argument)

lib/rubocop/cop/performance/reverse_first.rb

@@ -55,15 +55,15 @@ def build_message(node)
 
         def build_good_method(node)
           if node.arguments?
-            "last(#{node.arguments.first.source}).reverse"
+            "last(#{node.first_argument.source}).reverse"
           else
             'last'
           end
         end
 
         def build_bad_method(node)
           if node.arguments?
-            "reverse.first(#{node.arguments.first.source})"
+            "reverse.first(#{node.first_argument.source})"
           else
             'reverse.first'
           end

rubocop-performance.gemspec

@@ -31,5 +31,5 @@ Gem::Specification.new do |s|
   }
 
   s.add_runtime_dependency('rubocop', '>= 1.7.0', '< 2.0')
-  s.add_runtime_dependency('rubocop-ast', '>= 0.4.0')
+  s.add_runtime_dependency('rubocop-ast', '>= 1.30.0', '< 2.0')
 end