Update protobuf monorepo to v3.25.8 (#4389)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -15,7 +15,7 @@
 [versions]
 kotlin = "2.1.21"
 okhttp = "4.12.0"
-protobuf = "3.25.7"
+protobuf = "3.25.8"
 robovm = "2.3.14"
 kotlinx-serialization = "1.8.1"
 autoService = "1.1.1"