Fix grpc plugin repo usage

Author: albin-mullvad

android/settings.gradle.kts

@@ -2,7 +2,11 @@ pluginManagement {
     repositories {
         google()
         mavenCentral()
-        gradlePluginPortal()
+        gradlePluginPortal {
+            content {
+                excludeGroup("io.grpc")
+            }
+        }
     }
 }