[ci skip] Change references from Rake task to Rails command

This commit follows the path we started at commit #ea4f0e2b
and continued at PR #33229.

actionview/lib/action_view/helpers/asset_url_helper.rb

@@ -98,8 +98,9 @@ module Helpers #:nodoc:
     # have SSL certificates for each of the asset hosts this technique allows you
     # to avoid warnings in the client about mixed media.
     # Note that the +request+ parameter might not be supplied, e.g. when the assets
-    # are precompiled via a Rake task. Make sure to use a +Proc+ instead of a lambda,
-    # since a +Proc+ allows missing parameters and sets them to +nil+.
+    # are precompiled with the command `rails assets:precompile`. Make sure to use a
+    # +Proc+ instead of a lambda, since a +Proc+ allows missing parameters and sets them
+    # to +nil+.
     #
     #   config.action_controller.asset_host = Proc.new { |source, request|
     #     if request && request.ssl?

activerecord/lib/active_record/core.rb

@@ -99,7 +99,7 @@ def self.configurations
       ##
       # :singleton-method:
       # Specify whether schema dump should happen at the end of the
-      # db:migrate rake task. This is true by default, which is useful for the
+      # db:migrate rails command. This is true by default, which is useful for the
       # development environment. This should ideally be false in the production
       # environment where dumping schema is rarely needed.
       mattr_accessor :dump_schema_after_migration, instance_writer: false, default: true

activerecord/lib/active_record/fixtures.rb

@@ -179,8 +179,8 @@ class FixtureClassNotFound < ActiveRecord::ActiveRecordError #:nodoc:
   #     end
   #   end
   #
-  # If you preload your test database with all fixture data (probably in the rake task) and use
-  # transactional tests, then you may omit all fixtures declarations in your test cases since
+  # If you preload your test database with all fixture data (probably by running `rails db:fixtures:load`)
+  # and use transactional tests, then you may omit all fixtures declarations in your test cases since
   # all the data's already there and every case rolls back its changes.
   #
   # In order to use instantiated fixtures with preloaded data, set +self.pre_loaded_fixtures+ to

activerecord/lib/active_record/tasks/database_tasks.rb

@@ -8,7 +8,7 @@ class DatabaseNotSupported < StandardError; end # :nodoc:
     # ActiveRecord::Tasks::DatabaseTasks is a utility class, which encapsulates
     # logic behind common tasks used to manage database and migrations.
     #
-    # The tasks defined here are used with Rake tasks provided by Active Record.
+    # The tasks defined here are used with Rails commands provided by Active Record.
     #
     # In order to use DatabaseTasks, a few config values need to be set. All the needed
     # config values are set by Rails already, so it's necessary to do it only if you