deps: update dependency com.squareup.okhttp3:okhttp to v4.12.0

Author: renovate[bot]

gradle/libs.versions.toml

@@ -44,7 +44,7 @@ maven = "3.9.5"
 mavenResolver = "1.9.16"
 mockk = "1.13.8"
 mordant = "2.2.0"
-okhttp = "4.11.0"
+okhttp = "4.12.0"
 postgres = "42.6.0"
 postgresEmbedded = "1.0.2"
 reflections = "0.10.2"