`populate_purldb` pipeline fails

I have a project that I created using the `inspect_packages` pipeline. I ran the `populate_purldb` pipeline on it and it ended with a failure status. Looking at the error log, I see that this exception is being raised:

```
'latest' is not a valid

Traceback:
File "/opt/scancodeio/scanpipe/pipelines/__init__.py", line 214, in execute
step(self)
File "/opt/scancodeio/scanpipe/pipelines/populate_purldb.py", line 48, in populate_purldb_with_discovered_dependencies
purldb.populate_purldb_with_discovered_dependencies(
File "/opt/scancodeio/scanpipe/pipes/purldb.py", line 326, in populate_purldb_with_discovered_dependencies
unresolved_packages = get_unique_unresolved_purls(project)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/scancodeio/scanpipe/pipes/purldb.py", line 279, in get_unique_unresolved_purls
vers = range_class.from_native(extracted_requirement)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/scancodeio/venv/lib/python3.12/site-packages/univers/version_range.py", line 394, in from_native
comparator=comparator, version=vrc(version_constraint)
^^^^^^^^^^^^^^^^^^^^^^^
File "", line 7, in __init__
self.__attrs_post_init__()
File "/opt/scancodeio/venv/lib/python3.12/site-packages/univers/versions.py", line 87, in __attrs_post_init__
raise InvalidVersion(f"{self.string!r} is not a valid {self.__class__!r}")
```

I tried modifying https://github.com/nexB/scancode.io/blob/main/scanpipe/pipes/purldb.py#L280 to catch the `InvalidVersion` exception. Running the pipeline again, I get this exception:

```
type object 'NotImplementedError' has no attribute 'constraints'

Traceback:
File "/opt/scancodeio/scanpipe/pipelines/__init__.py", line 214, in execute
step(self)
File "/opt/scancodeio/scanpipe/pipelines/populate_purldb.py", line 48, in populate_purldb_with_discovered_dependencies
purldb.populate_purldb_with_discovered_dependencies(
File "/opt/scancodeio/scanpipe/pipes/purldb.py", line 334, in populate_purldb_with_discovered_dependencies
unresolved_packages = get_unique_unresolved_purls(project)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/scancodeio/scanpipe/pipes/purldb.py", line 291, in get_unique_unresolved_purls
if not vers.constraints:
^^^^^^^^^^^^^^^^
```

I put in some print statements and the package that this is happening to is:
```
pkg_type: composer namespace: components name: jquery extracted_requirement: >=1.5
vers:
```

The `ComposerVersionRange` needs to have the `from_native` method implemented.

@keshav-space or @AyanSinhaMahapatra :

1. What should we do when the requirement is just `latest`?

2. What should a composer package requirement look like? I am assuming that the methods from npm that handles this stuff would work here.