Fix RuboCop violations

lib/tapioca/dsl/pipeline.rb

@@ -61,7 +61,7 @@ def run(&blk)
           .sort_by! { |c| T.must(Runtime::Reflection.name_of(c)) }
 
         # It's OK if there are no constants to process if we received a valid file/path.
-        if constants_to_process.empty? && requested_paths.select { |p| File.exist?(p) }.empty?
+        if constants_to_process.empty? && requested_paths.none? { |p| File.exist?(p) }
           report_error(<<~ERROR)
             No classes/modules can be matched for RBI generation.
             Please check that the requested classes/modules include processable DSL methods.

spec/helpers/mock_project.rb

@@ -106,12 +106,12 @@ def bundle_exec(command, env = {})
     end
     def tapioca(command, enforce_typechecking: true, exclude: tapioca_dependencies)
       exec_command = ["tapioca", command]
-      if command.start_with?(/gem/)
+      if command.start_with?("gem")
         exec_command << "--workers=1" unless command.match?("--workers")
         exec_command << "--no-doc" unless command.match?("--doc")
         exec_command << "--no-loc" unless command.match?("--loc")
         exec_command << "--exclude #{exclude.join(" ")}" unless command.match?("--exclude") || exclude.empty?
-      elsif command.start_with?(/dsl/)
+      elsif command.start_with?("dsl")
         exec_command << "--workers=1" unless command.match?("--workers")
       end
 

spec/tapioca/dsl/compilers/active_support_concern_spec.rb

@@ -319,7 +319,7 @@ def arguments_to_micm_in_effective_order(rbi)
           rbi.scan(/mixes_in_class_methods (.*)$/)
             .flatten
             .reverse
-            .map { |i| i.sub(/::/, "") }
+            .map { |i| i.sub("::", "") }
         end
       end
     end