Revert "Revert iPhone13 swap; iPhone17 matches main"

This reverts commit 11f5aae.

Author: davidnguyen-tech

eng/pipelines/templates/build-machine-matrix.yml

@@ -146,16 +146,16 @@ jobs:
       machinePool: GalaxyA16
       ${{ insert }}: ${{ parameters.jobParameters }}
 
-- ${{ if and(containsValue(parameters.buildMachines, 'osx-x64-ios-arm64'), not(eq(parameters.isPublic, true))) }}: # iPhone ARM64 17 only used in private builds currently
+- ${{ if and(containsValue(parameters.buildMachines, 'osx-x64-ios-arm64'), not(eq(parameters.isPublic, true))) }}: # iPhone ARM64 13 only used in private builds currently
   - template: ${{ parameters.jobTemplate }}
     parameters:
       osGroup: osx
       archType: x64
       osVersion: 15
       pool:
         vmImage: 'macos-15'
-      queue: Mac.iPhone.17.Perf
-      machinePool: iPhone17
+      queue: Mac.iPhone.13.Perf
+      machinePool: iPhone13
       ${{ insert }}: ${{ parameters.jobParameters }}
 
 - ${{ if and(containsValue(parameters.buildMachines, 'win-x64-viper'), not(eq(parameters.isPublic, true))) }}: # Windows x64 Viper only used in private builds