testing arm python brew overwite (dotnet#7058)

* testing arm python brew overwite

* more m1 testing

* Install python@3.12 before libomp

* Update official build libomp install command

---------

Co-authored-by: Eric StJohn <ericstj@microsoft.com>

Author: michaelgsharp

.vsts-dotnet-ci.yml

@@ -127,7 +127,7 @@ jobs:
     innerLoop: true
     pool:
       vmImage: macOS-12
-    helixQueue: OSX.1100.Arm64.Open
+    helixQueue: OSX.1200.Arm64.Open
 
 - template: /build/ci/job-template.yml
   parameters:

build/ci/job-template.yml

@@ -71,7 +71,7 @@ jobs:
         displayName: Install MacOS build dependencies
     # Extra Apple MacOS step required to install OS-specific dependencies
     - ${{ if and(contains(parameters.pool.vmImage, 'macOS'), contains(parameters.name, 'cross'))  }}:
-      - script: brew update && brew install libomp && brew link libomp --force
+      - script: brew update && brew install -f --overwrite python@3.12 && brew install libomp && brew link libomp --force
         displayName: Install MacOS ARM build dependencies
     - ${{ if and( eq(parameters.nightlyBuild, 'true'), eq(parameters.pool.vmImage, 'ubuntu-18.04')) }}:
       - bash: echo "##vso[task.setvariable variable=LD_LIBRARY_PATH]$(nightlyBuildRunPath):$LD_LIBRARY_PATH"

build/vsts-ci.yml

@@ -153,7 +153,7 @@ extends:
             rm -rf /usr/local/bin/2to3
           displayName: MacOS Homebrew bug Workaround
           continueOnError: true
-        - script: brew update && brew install libomp && brew link libomp --force
+        - script: brew update && brew install -f --overwrite python@3.12 && brew install libomp && brew link libomp --force
           displayName: Install build dependencies
         # Only build native assets to avoid conflicts.
         - script: ./build.sh -projects $(Build.SourcesDirectory)/src/Native/Native.proj -configuration $(BuildConfig) /p:TargetArchitecture=arm64 /p:CopyPackageAssets=true
@@ -319,4 +319,4 @@ extends:
           -TsaIterationPath DevDiv
           -TsaRepositoryName machinelearning
           -TsaCodebaseName machinelearning
-          -TsaPublish $True'
+          -TsaPublish $True'