Update plugin buildConfig to v5.7.0 (#438)

Author: slack-oss-bot

gradle/libs.versions.toml

@@ -8,7 +8,7 @@ runtimeJvmTarget = "11"
 lint = "31.12.0-alpha09"
 
 [plugins]
-buildConfig = { id = "com.github.gmazzo.buildconfig", version = "5.6.8" }
+buildConfig = { id = "com.github.gmazzo.buildconfig", version = "5.7.0" }
 detekt = { id = "io.gitlab.arturbosch.detekt", version = "1.23.8" }
 dokka = { id = "org.jetbrains.dokka", version = "2.0.0" }
 lint = { id = "com.android.lint", version = "8.13.0" }