This PR fixes the following error:
```
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "C:\Users\Administrator\Desktop\DonPAPI\donpapi\entry.py", line 333, in main
_, collectors = load_collectors(root, options.collectors.split(","))
File "C:\Users\Administrator\Desktop\DonPAPI\donpapi\entry.py", line 56, in load_collectors
loaded_collectors.append(getattr(import_module(f"collectors.{collector_name}"), collector_name))
File "C:\Python39\lib\importlib\__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
File "<frozen importlib._bootstrap>", line 972, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
File "<frozen importlib._bootstrap>", line 984, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'collectors'
```
Updated the import path in the load_collectors function.