### 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
b_link_target = os.path.realpath(b_src_path)
                    if _is_child_path(b_link_target, b_collection_path):
                        b_rel_path = os.path.relpath(b_link_target, start=os.path.dirname(b_src_path))
                        tar_info = tarfile.TarInfo(filename)
                        tar_info.type = tarfile.SYMTYPE
                        tar_info.linkname = to_native(b_rel_path, errors='surrogate_or_strict')
                        tar_info = reset_stat(tar_info)
                        tar_file.addfile(tarinfo=tar_info)
                        continue
                
                tar_file.add(
                    to_native(os.path.realpath(b_src_path)),
                    arcname=filename,
                    recursive=False,
                    filter=reset_stat,
                )
        shutil.copy(to_native(b_tar_filepath), to_native(b_tar_path))
        collection_name = "%s.%s" % (collection_manifest['collection_info']['namespace'],
                                     collection_manifest['collection_info']['name'])
        tar_path = to_text(b_tar_path)
        display.display(u'Created collection for %s at %s' % (collection_name, tar_path))
        return tar_path
def _build_collection_dir(b_collection_path, b_collection_output, collection_manifest, file_manifest):
    """Build a collection directory from the manifest data.
    This should follow the same pattern as _build_collection_tar.
    """
    os.makedirs(b_collection_output, mode=0o0755)
    files_manifest_json = to_bytes(json.dumps(file_manifest, indent=True), errors='surrogate_or_strict')
    collection_manifest['file_manifest_file']['chksum_sha256'] = secure_hash_s(files_manifest_json, hash_func=sha256)
    collection_manifest_json = to_bytes(json.dumps(collection_manifest, indent=True), errors='surrogate_or_strict')