[macos] Convert packer templates to HCL2 (#9098)

* [macos] Convert packer templates to HCL2

* Fix inline shell provisioner

* Fix folder name

* Fix bootstrap folder copy

images.CI/macos/azure-pipelines/image-generation.yml

@@ -63,6 +63,7 @@ jobs:
           'Using ssh communicator to connect:'
       )
 
+      packer init ${{ parameters.template_path }}
       packer build -on-error=abort `
         -var="vcenter_server=$(vcenter-server-v2)" `
         -var="vcenter_username=$(vcenter-username-v2)" `

images.CI/macos/azure-pipelines/macos11.yml

@@ -19,5 +19,5 @@ jobs:
   parameters:
     image_label: 'macOS Big Sur'
     base_image_name: 'clean-macOS-11-380Gb-runner'
-    template_path: 'templates/macOS-11.json'
+    template_path: 'templates/macOS-11.pkr.hcl'
     target_datastore: 'ds-image'

images.CI/macos/azure-pipelines/macos12.yml

@@ -19,5 +19,5 @@ jobs:
   parameters:
     image_label: 'macOS Monterey'
     base_image_name: 'clean-macOS-12-380Gb-runner'
-    template_path: 'templates/macOS-12.json'
+    template_path: 'templates/macOS-12.pkr.hcl'
     target_datastore: 'ds-image'