try protobuf-java 4.30.0

Author: pjfanning

.scala-steward.conf

@@ -8,8 +8,6 @@ updates.pin = [
   { groupId = "com.lightbend.paradox", artifactId = "sbt-paradox", version = "0.9." }
   # Scala 3.3 is the latest LTS version
   { groupId = "org.scala-lang", artifactId = "scala3-library", version = "3.3." }
-  # protobuf 4 is not yet well supported
-  { groupId = "com.google.protobuf", artifactId = "protobuf-java", version = "3." }
   # aeron 1.46 requires Java 17
   { groupId = "io.aeron", version = "1.45." }
   # agrona 1.23 requires Java 17

project/Dependencies.scala

@@ -20,9 +20,9 @@ object Dependencies {
 
   object Protobuf {
     // https://protobuf.dev/support/version-support/
-    // protobuf-java 3.25 corresponds with protoc 22.x-25.x
-    val protobufJavaVersion = "3.25.6"
-    val protocVersion = "25.6"
+    // protobuf-java 4.30 corresponds with protoc 30.x
+    val protobufJavaVersion = "4.30.0"
+    val protocVersion = "30.0"
   }
 
   lazy val java8CompatVersion = settingKey[String]("The version of scala-java8-compat to use.")