Run zip testing with Xcode 16 (#13731)

Author: paulb777

.github/workflows/zip.yml

@@ -117,7 +117,7 @@ jobs:
           - os: macos-13
             xcode: Xcode_15.2
           - os: macos-14
-            xcode: Xcode_15.3
+            xcode: Xcode_16
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
@@ -179,7 +179,7 @@ jobs:
           - os: macos-13
             xcode: Xcode_15.2
           - os: macos-14
-            xcode: Xcode_15.3
+            xcode: Xcode_16
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
@@ -233,7 +233,7 @@ jobs:
           - os: macos-13
             xcode: Xcode_15.2
           - os: macos-14
-            xcode: Xcode_15.3
+            xcode: Xcode_16
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
@@ -285,7 +285,7 @@ jobs:
           - os: macos-13
             xcode: Xcode_15.2
           - os: macos-14
-            xcode: Xcode_15.3
+            xcode: Xcode_16
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
@@ -412,7 +412,7 @@ jobs:
           - os: macos-13
             xcode: Xcode_15.2
           - os: macos-14
-            xcode: Xcode_15.3
+            xcode: Xcode_16
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
@@ -472,7 +472,7 @@ jobs:
           - os: macos-13
             xcode: Xcode_15.2
           - os: macos-14
-            xcode: Xcode_15.3
+            xcode: Xcode_16
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
@@ -557,7 +557,7 @@ jobs:
           - os: macos-13
             xcode: Xcode_15.2
           - os: macos-14
-            xcode: Xcode_15.3
+            xcode: Xcode_16
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
@@ -614,7 +614,7 @@ jobs:
           - os: macos-13
             xcode: Xcode_15.2
           - os: macos-14
-            xcode: Xcode_15.3
+            xcode: Xcode_16
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
@@ -670,7 +670,7 @@ jobs:
           - os: macos-13
             xcode: Xcode_15.2
           - os: macos-14
-            xcode: Xcode_15.3
+            xcode: Xcode_16
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4