bump: grpc 1.58.0 (akka#1856)

* guava dependency to 32.0.1 to address CVE-2023-2976
* protobuf-java 3.24.0, which is what grpc-protobuf:1.58.0 brings in
* plugin-tester-java wasn't setting protoc version when inside sbt
* workaround for ScalaPB EnumType issue, because of ScalaPB issue 1557
* not sure, but parallelExecution false
* tests with invalid endpoints not working
* Don't use assert
* bump: sbt-paradox-dependencies 0.2.4
  * cycle between grpc-core and grpc-util

project/Dependencies.scala

@@ -17,9 +17,9 @@ object Dependencies {
     // We don't force Akka updates because downstream projects can upgrade
     // themselves. For more information see
     // https://doc.akka.io//docs/akka/current/project/downstream-upgrade-strategy.html
-    val akka = "2.9.0"
-    val akkaBinary = "2.9"
-    val akkaHttp = "10.6.0"
+    val akka = "2.9.0-M3"
+    val akkaBinary = "2.8"
+    val akkaHttp = "10.6.0-M2"
     val akkaHttpBinary = "10.6"
 
     val grpc = "1.60.0" // checked synced by VersionSyncCheckPlugin