Update target devices and runtimes

Author: mattrubin

.github/workflows/xcode.yml

@@ -18,9 +18,6 @@ jobs:
           - xcode: 15.4
             runtime: "iOS 15.5"
             device: "iPhone 12 Pro Max"
-          - xcode: 15.4
-            runtime: "iOS 13.7"
-            device: "iPhone 11"
     steps:
       - uses: actions/checkout@v4
         with:
@@ -58,14 +55,14 @@ jobs:
       matrix:
         env:
           - xcode: 15.4
-            runtime: "watchOS 8.5"
+            runtime: "watchOS 10.5"
+            device: "Apple Watch Ultra 2 (49mm)"
+          - xcode: 15.4
+            runtime: "watchOS 9.4"
             device: "Apple Watch Series 7 - 45mm"
           - xcode: 15.4
-            runtime: "watchOS 7.4"
+            runtime: "watchOS 8.5"
             device: "Apple Watch Series 6 - 44mm"
-          - xcode: 15.4
-            runtime: "watchOS 6.2.1"
-            device: "Apple Watch Series 4 - 40mm"
     steps:
       - uses: actions/checkout@v4
         with: