[Infra] Update dynamiclinks workflow to use macOS 15 for Xcode 16 (#14061)

Author: andrewheard

.github/workflows/dynamiclinks.yml

@@ -22,8 +22,11 @@ jobs:
 
     strategy:
       matrix:
-        os: [macos-14]
-        xcode: [Xcode_15.2, Xcode_16]
+        include:
+          - os: macos-14
+            xcode: Xcode_15.2
+          - os: macos-15
+            xcode: Xcode_16.1
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
@@ -70,7 +73,7 @@ jobs:
           - os: macos-14
             xcode: Xcode_15.4
           - os: macos-15
-            xcode: Xcode_16
+            xcode: Xcode_16.1
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4