### Summary

I'm trying to optimise my builds by avoiding unnecessary downloads.
ansible-galaxy install always downloads the latest version even if the existing collection already meets the requirements. This behaviour appears to be consistent with the documentation (https://docs.ansible.com/ansible/latest/galaxy/user_guide.html#installing-an-older-version-of-a-collection), but why has it been implemented to always download ?


e.g. I have
```
# /usr/local/lib/python3.8/site-packages/ansible_collections
Collection                    Version
----------------------------- -------
amazon.aws                    3.5.0  
...
```
and requirements.yml
```
---
collections:
  - name: amazon.aws
    version: '>=1.5.0'
```
if I run ansible-galaxy install -r requirements.yml I get amazon.aws 6.1.0 installed, even though 3.5.0 already meets my 1.5.0 requirement. I would expect nothing to happen because my requirements were already met.

### Issue Type

Feature Idea

### Component Name

ansible galaxy

### Additional Information

People who like the existing behaviour could perhaps use the recently added --upgrade switch to continue to get the upgrade to the lastest version.

### Code of Conduct

- [X] I agree to follow the Ansible Code of Conduct
galaxy_type = 'collection' if parser.metavar == 'COLLECTION_ACTION' else 'role'
        init_parser = parser.add_parser('init', parents=parents,
                                        help='Initialize new {0} with the base structure of a '
                                             '{0}.'.format(galaxy_type))
        init_parser.set_defaults(func=self.execute_init)
        init_parser.add_argument('--init-path', dest='init_path', default='./',
                                 help='The path in which the skeleton {0} will be created. The default is the '
                                      'current working directory.'.format(galaxy_type))
        init_parser.add_argument('--{0}-skeleton'.format(galaxy_type), dest='{0}_skeleton'.format(galaxy_type),
                                 default=C.GALAXY_COLLECTION_SKELETON if galaxy_type == 'collection' else C.GALAXY_ROLE_SKELETON,
                                 help='The path to a {0} skeleton that the new {0} should be based '
                                      'upon.'.format(galaxy_type))
        obj_name_kwargs = {}
        if galaxy_type == 'collection':
            obj_name_kwargs['type'] = validate_collection_name
        init_parser.add_argument('{0}_name'.format(galaxy_type), help='{0} name'.format(galaxy_type.capitalize()),
                                 **obj_name_kwargs)
        if galaxy_type == 'role':
            init_parser.add_argument('--type', dest='role_type', action='store', default='default',
                                     help="Initialize using an alternate role type. Valid types include: 'container', "
                                          "'apb' and 'network'.")
    def add_remove_options(self, parser, parents=None):