Update version (2.4.2 -> 2.5.0)

Minor code refactoring

Upgrade to .NET 4.8 since it is pre-installed on Win11

v2.4.2

Update dependencies

Prevent crash if acf seems to be valid, but actually cannot be JSON deserialized

v2.4.1

Update Newtonsoft.Json

Update user agent

Add vdf tests

Refactoring

Split vdf parsing code

Add more tests for corrupted acf files

Split Downloading tests

Split acf tests and add test for empty acf file