I recommend giving your users the option to allow telemetry or not (as others have said, preferably by opting in). Explain prominently within your software very clearly what telemetry you are collecting and for what purpose.

Since this software in question is open source, if you don't allow the disabling of telemetry I guarantee a fork will appear in the near future where it has been disabled altogether.

Ask yourself if this is a hill you wish for your project to die on?