fix(deps): update protobuf monorepo to v4

Author: renovate[bot]

build.gradle

@@ -11,7 +11,7 @@ allprojects {
 
 ext {
     grpcVersion = '1.70.0'
-    protobufVersion = '3.25.5'
+    protobufVersion = '4.29.3'
 }
 
 nexusPublishing {