Add setExtraParameter support on macOS

lib/common/api/crash-reporter.js

@@ -117,6 +117,10 @@ class CrashReporter {
       throw new Error('setUploadToServer can only be called from the main process')
     }
   }
+
+  setExtraParameter (key, value) {
+    binding.setExtraParameter(key, value)
+  }
 }
 
 module.exports = new CrashReporter()