Support find cache + gh action for core mlc actions

[anandhu-eng]

The changes proposed are to support mlc find cache command in MLC and to initiate the GitHub action for testing the core MLC actions.

After merging the PR, it may be observed that there are duplicate print statements of WARNING - No cache entry found for the specified tags! are being found when executing a script. Example is given below:

anandhu@anandhu-VivoBook-ASUSLaptop-X515UA-M515UA:~/Music/mlcflow$ python3 -m mlc.main run script --tags=get,imagenet-aux,_from.dropbox
/usr/lib/python3.10/runpy.py:126: RuntimeWarning: 'mlc.main' found in sys.modules after import of package 'mlc', but prior to execution of 'mlc.main'; this may result in unpredictable behaviour
  warn(RuntimeWarning(msg))
2025-01-25 12:02:51,613 - __main__ - INFO - Repos path for Index: /home/anandhu/MLC/repos
2025-01-25 12:02:56,361 - __main__ - INFO - Shared index for script saved to /home/anandhu/MLC/repos/index_script.json.
2025-01-25 12:02:56,363 - __main__ - INFO - Shared index for cache saved to /home/anandhu/MLC/repos/index_cache.json.
2025-01-25 12:02:56,363 - __main__ - INFO - Shared index for experiment saved to /home/anandhu/MLC/repos/index_experiment.json.
2025-01-25 12:02:56,383 - root - INFO - * mlc run script --tags=get,imagenet-aux,_from.dropbox
2025-01-25 12:02:56,384 - __main__ - WARNING - No cache entry found for the specified tags!
2025-01-25 12:02:56,384 - __main__ - WARNING - No cache entry found for the specified tags!
2025-01-25 12:02:56,413 - root - INFO -   * mlc run script --tags=download-and-extract,_extract,_wget,_url.https://www.dropbox.com/s/92n2fyej3lzy3s3/caffe_ilsvrc12.tar.gz
2025-01-25 12:02:56,413 - __main__ - WARNING - No cache entry found for the specified tags!
2025-01-25 12:02:56,420 - __main__ - WARNING - No cache entry found for the specified tags!
2025-01-25 12:02:56,450 - root - INFO -     * mlc run script --tags=download,file,_wget,_url.https://www.dropbox.com/s/92n2fyej3lzy3s3/caffe_ilsvrc12.tar.gz
2025-01-25 12:02:56,450 - __main__ - WARNING - No cache entry found for the specified tags!
2025-01-25 12:02:56,451 - __main__ - WARNING - No cache entry found for the specified tags!
2025-01-25 12:02:56,466 - root - INFO -       * mlc run script --tags=detect,os
2025-01-25 12:02:56,474 - root - INFO -              ! cd /home/anandhu/MLC/repos/local/cache/download-file_e233ea24
2025-01-25 12:02:56,474 - root - INFO -              ! call /home/anandhu/MLC/repos/mlcommons@mlperf-automations/script/detect-os/run.sh from tmp-run.sh
2025-01-25 12:02:56,521 - root - INFO -              ! call "postprocess" from /ho

This is due to the automation script in mlperf-automations repo calling the find action of MLC.

@arjunsuresh , would it be a good solution that we replace the calling of find action in mlperf-automation to search?

[github-actions]

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[arjunsuresh]

Hi @anandhu-eng is this ready to be merged or do we need more tests for the actions?

[anandhu-eng]

Hi @arjunsuresh , I think this could be merged, but we need to add GH actions of rest of the core functionalities in mlcflow. I have commented a detailed list here.