used here https://medium.com/@themukeshsolanki/demystifying-datastore-a-comprehensive-guide-to-using-datastore-with-jetpack-compose-d89c813232d7

protobuf.gradle

plugins {
    id "com.google.protobuf" version "0.9.4"
}

dependencies {
    implementation  "com.google.protobuf:protobuf-javalite:3.24.3"
}

protobuf {
    protoc {
        artifact = "com.google.protobuf:protoc:3.24.3"
    }

    // Generates the java Protobuf-lite code for the Protobufs in this project. See
    // https://github.com/google/protobuf-gradle-plugin#customizing-protobuf-compilation
    // for more information.
    generateProtoTasks {
        all().each { task ->
            task.builtins {
                java {
                    option 'lite'
                }
            }
        }
    }
}