Update grpc-netty, grpc-protobuf, grpc-stub to 1.70.0

Author: scala-steward

project/Dependencies.scala

@@ -5,7 +5,7 @@ import Keys._
 object Dependencies {
   object versions {
 
-    val grpc                 = "1.68.3"
+    val grpc                 = "1.70.0"
     val protobuf             = "4.28.3"
     val silencer             = "1.7.19"
     val collectionCompat     = "2.13.0"