* Move IREE pins for windows, linux, and pip packaging files.
* Remove linux builds from 1.0 nightly workflow
It seems that the VMs used for these workflows are no longer available. Removing linux builds since publishing .exe is sufficient for the one-shot nightly workflows we trigger for SHARK-1.0
* Move most xfails to entries in tank/all_models.csv
* enable usage of pytest without specifying tank/test_models.py
* add dict_configs.py to gitignore.
* Pin versions for runtimes and torch-mlir for setup.
* Use IREE tf tools to save .mlir modules when generating shark_tank.
* Add option to pytest for enabling auto-updates to local shark tank.
* xfail mobilenet torch on cpu, cuda and fix CI macos setup
* Update test-models.yml to disable macos vulkan CI.
* adds support to default to tuned model
currently setup for tf bert/resnet50
going to refactor test class to avoid having to
add an argument to 50+ files
* adds an option to avoid installing iree
useful when building iree from source
specify env variable NO_BACKEND=1
