chef/mixin/homebrew_user rename to chef/mixin/homebrew needs requires updating

[stlng2]

👻 Brief Description

In chef/chef#14544 homebrew_user was renamed

Mixin/homebrew_user
Renamed to mixin/homebrew since it has more than just user functions

https://github.com/chef/chef/pull/14544/files#diff-630339525f378bfd1d3160794ea85415d76c1a71a1460ffc59387ed51fcdabb8R30

This is causing Chef failures with v18.6.2

================================================================================
Recipe Compile Error in /var/chef/cache/cookbooks/homebrew/libraries/helpers.rb
================================================================================

LoadError
---------
cannot load such file -- chef/mixin/homebrew_user

Cookbook Trace: (most recent call first)
----------------------------------------
  /var/chef/cache/cookbooks/homebrew/libraries/helpers.rb:23:in `<class:HomebrewUserWrapper>'
  /var/chef/cache/cookbooks/homebrew/libraries/helpers.rb:22:in `<top (required)>'

Relevant File Content:
----------------------
/var/chef/cache/cookbooks/homebrew/libraries/helpers.rb:

 16:  # distributed under the License is distributed on an "AS IS" BASIS,
 17:  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 18:  # See the License for the specific language governing permissions and
 19:  # limitations under the License.
 20:  #
 21:
 22:  class HomebrewUserWrapper
 23>>   require 'chef/mixin/homebrew_user'
 24:    include Chef::Mixin::HomebrewUser
 25:    include Chef::Mixin::Which
 26:  end
 27:
 28:  module Homebrew
 29:    extend self
 30:
 31:    require 'mixlib/shellout'
 32:    include Chef::Mixin::ShellOut

🥞 Cookbook version

v5.4.9

👩‍🍳 Chef-Infra Version

v18.6.2

🎩 Platform details

Not version specific but tested on RHEL 8.10

Steps To Reproduce

Steps to reproduce the behavior:

1. Add a dependency on homebrew
2. Run chef-client v18.6.2

🚓 Expected behavior

Chef-client should complete without errors