Updating .NET CHANGELOG for 3.5 release
+v3.5.0
+======
+ * (on behalf of Matthew Lymer) Fixing the parsing of logging levels to match
+ the values in the LogLevel enum. Fixes issue #4121.
+ * Updated .NET DriverService to allow hard termination shutdown of
+ exectuable.s Some driver services (geckodriver, safaridriver) don't support
+ a shutdown HTTP end point. The base DriverSerivce class should allow for
+ that, and not attempt to use one if it's known the service doesn't provide
+ one.
+
v3.4.0
======
* Exposed new Interactions framework. This release introduces a new
