fix(deps): update protobuf monorepo to v4 (#927)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -31,7 +31,7 @@ detekt = "1.23.8"
 wire = "5.4.0"
 io-grpc = "1.77.0"
 io-grpc-kotlin = "1.5.0"
-google-protobuf = "3.25.8"
+google-protobuf = "4.33.1"
 hoplite = "2.9.0"
 kotest = "6.0.7"
 mockito = "6.1.0"