Update target devices and runtimes

Author: mattrubin

.github/workflows/xcode.yml

@@ -10,10 +10,13 @@ jobs:
       matrix:
         env:
           - xcode: 15.4
-            runtime: "iOS 15.5"
+            runtime: "iOS 17.5"
+            device: "iPhone 13 Pro"
+          - xcode: 15.4
+            runtime: "iOS 16.4"
             device: "iPhone 13 Pro"
           - xcode: 15.4
-            runtime: "iOS 14.5"
+            runtime: "iOS 15.5"
             device: "iPhone 12 Pro Max"
           - xcode: 15.4
             runtime: "iOS 13.7"
@@ -61,7 +64,7 @@ jobs:
             runtime: "watchOS 7.4"
             device: "Apple Watch Series 6 - 44mm"
           - xcode: 15.4
-            runtime: "watchOS 6.2"
+            runtime: "watchOS 6.2.1"
             device: "Apple Watch Series 4 - 40mm"
     steps:
       - uses: actions/checkout@v4