How to reproduce:
1. Open the attached project “CacheTest_11327.zip“
2. Open the Addressables Hosting window (Window > Asset Management > Addressables > Hosting)
3. Create a Local Hosting (Create > Local Hosting)
4. Enable the Local Hosting
5. Open the Addressables Group window (Window > Asset Management > Addressables > Groups)
6. Build Addressables (Build > New Build > Default Build Script)
7. Enter Play Mode, click the Load Cube button, and exit Play Mode
8. Enter Play Mode, click the Clean Cache button

Expected result: The folder where the Addressables cache is stored is empty
Actual result: Subfolders remain within the folder where the Addressables cache is stored

Reproducible with: 1.20.3 (2020.3.37f1, 2021.3.8f1, 2022.1.12f1, 2022.2.0b3, 2023.1.0a4)

Reproducible on: macOS (12.3.1)

Note: When reproducing on Unity 2021+ the Allow downloads over HTTP* option needs to be changed to Allowed in development build (or Always allowed) (Edit > Project Settings… > Player > Configuration > Allow downloads over HTTP*)