chore(ai): use a single libs.versions.toml

Author: thatfiredev

firebase-ai/gradle/libs.versions.toml

@@ -18,6 +18,13 @@ dependencyResolutionManagement {
         google()
         mavenCentral()
     }
+    dependencyResolutionManagement {
+        versionCatalogs {
+            create("libs") {
+                from(files("../gradle/libs.versions.toml"))
+            }
+        }
+    }
 }
 
 rootProject.name = "Firebase AI Logic"