Update spotlight version (#170)

Author: joshfriend

gradle/libs.versions.toml

@@ -26,7 +26,7 @@ picocli = "4.7.7"
 okhttp = "5.3.2"
 okio = "3.16.4"
 retrofit = "3.0.0"
-spotlight = "1.6.7"
+spotlight = "1.6.8"
 truth = "1.4.4"
 wire = "5.5.0"
 woodstox = "7.1.1"