appcheck 12 is now released

Author: ncooke3

Package.swift

@@ -44,10 +44,9 @@ let package = Package(
     .package(
       url: "https://github.com/openid/AppAuth-iOS.git",
       from: "3.0.0"),
-//    .package(
-//      url: "https://github.com/google/app-check.git",
-//      from: "11.0.0"),
-    .package(url: "https://github.com/google/app-check.git", branch: "pb-swift"),
+    .package(
+      url: "https://github.com/google/app-check.git",
+      "11.0.0" ..< "13.0.0"),
     .package(
       url: "https://github.com/google/GTMAppAuth.git",
       from: "6.0.0"),