newer versions of bundler doesnt support old ruby (<3.0.0)

[polographer]

for the services that have a old version of ruby we need to hardcode bundler to be 2.4.22 if not it will complain and refuse to bundle install with this error;

=> ERROR [polypress  7/10] RUN gem install --source "https://rubygems.org/" bundler                                 37.0s
------                                                                                                                    
 > [polypress  7/10] RUN gem install --source "https://rubygems.org/" bundler:                                             
36.49 ERROR:  Error installing bundler:                                                                                   
36.49   The last version of bundler (>= 0) to support your Ruby & RubyGems was 2.4.22. Try installing it with `gem install bundler -v 2.4.22`
36.49   bundler requires Ruby version >= 3.0.0. The current ruby version is 2.7.3.183.
------
failed to solve: process "/bin/sh -c gem install --source \"https://rubygems.org/\" bundler" did not complete successfully: exit code: 1