* Add macOS ML CI stacks
* torchmeta is no longer maintained and requires ancient PyTorch
* Add MXNet
* update darwin aarch64 stacks
* add darwin-aarch64 scoped config.yaml
* remove unnecessary cleanup job
* fix specifications
* fix labels
* fix labels
* fix indent on tags specification
* no tags for trigger jobs
* try overriding tags in stack spack.yaml
* do not use CI_STACK_CONFIG_SCOPES
* incorporate config:install_tree:root: overrides and compiler defs
* copy relevant ci-scoped config settings directly into stack spack.yaml
* remove build-job-remove
* spack ci generate: add debug flag
* include cdash config directly in stack spack.yaml
* customize build-job script section to avoid absolute paths
* add any-job specification
* tags: use aarch64-macos instead of aarch64
* generate tags: use aarch64-macos instead of aarch64
* do not add morepadding
* use shared mirror; comment out known failures
* remove any-job
* nproc || true
* comment out specs failing due to bazel from cache codesign issue
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Co-authored-by: eugeneswalker <eugenesunsetwalker@gmail.com>
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