Add FirebaseAI to release process (#14783)

Author: paulb777

ReleaseTooling/CarthageJSON/FirebaseAIBinary.json

@@ -0,0 +1 @@
+{}

ReleaseTooling/Sources/FirebaseManifest/FirebaseManifest.swift

@@ -40,6 +40,7 @@ public let shared = Manifest(
     Pod("FirebaseABTesting", zip: true),
     Pod("FirebaseAppCheck", zip: true),
     Pod("FirebaseRemoteConfig", zip: true),
+    Pod("FirebaseAI", zip: true),
     Pod("FirebaseAppDistribution", isBeta: true, platforms: ["ios"], zip: true),
     Pod("FirebaseAuth", zip: true),
     Pod("FirebaseCrashlytics", zip: true),