Reduce Frida polling frequency

This seems to cause problems in some environments, and is way heavier
than it needs to be given the list doesn't change very often.

Author: pimterry

src/components/intercept/config/frida-config.tsx

@@ -253,7 +253,7 @@ class FridaConfig extends React.Component<{
         }));
 
         this.updateTargets();
-        const updateInterval = setInterval(this.updateTargets, 2000);
+        const updateInterval = setInterval(this.updateTargets, 4000);
         disposeOnUnmount(this, () => clearInterval(updateInterval));
     }