[Bug] Unable to build from source, MacOS 11.4.

### [REQUIRED] Please fill in the following fields:

* Unity editor version: 2019.4.24f1
* External Dependency Manager version: Latest
* Source you installed EDM4U: Trying to build from source
* Features in External Dependency Manager in use: Android resolver, iOS resolver
* Plugins SDK in use: N/A
* Platform you are using the Unity editor on: Mac

### [REQUIRED] Please describe the issue here:
I am unable to build from source with a fresh clone of the master branch. I am running MacOS 11.4 and it appears that mono will not execute on this platform. See attached log. Please advise if I am able to build from source using this platform and if not, please can a feature request be added for support?
[building_resolver.log](https://github.com/googlesamples/unity-jar-resolver/files/7046083/building_resolver.log)

#### Please answer the following, if applicable:
What's the issue repro rate? 100%

What happened? How can we make the problem occur?
Fresh clone of the master branch. Navigate to the project directory and execute `./gradlew build --stacktrace --info`. Build fails.