Merge pull request #4048 from square/renovate/protobuf

Update protobuf to v3.25.2

Author: JakeWharton

gradle/libs.versions.toml

@@ -15,7 +15,7 @@
 [versions]
 kotlin = "1.9.21"
 okhttp = "3.14.9"
-protobuf = "3.25.1"
+protobuf = "3.25.2"
 robovm = "2.3.14"
 kotlinx-serialization = "1.6.2"