Bump up protoc-gen

Author: thesamet

project/Dependencies.scala

@@ -9,7 +9,7 @@ object Dependencies {
     val silencer             = "1.7.17"
     val collectionCompat     = "2.12.0"
     val coursier             = "2.1.9"
-    val protocGen            = "0.9.7"
+    val protocGen            = "0.9.9"
     val protobufRuntimeScala = "0.8.16"
     val commonsCodec         = "1.16.1"