Add GitHub actions

[araratpoghosyan]

🚀 🚀 Pull Request

Checklist:

• My code follows the style guidelines of this project and the Contributing document
• I have commented my code, particularly in hard-to-understand areas
• I have kept the coverage-rate up
• I have performed a self-review of my own code and resolved any problems
• I have checked to ensure there aren't any other open Pull Requests for the same change
• I have described and made corresponding changes to the relevant documentation
• New and existing unit tests pass locally with my changes

Changes

This PR brings GitHub actions support in Hub repository. All the checks (including complex) tests were taken from appropriate CircleCI workflow.

Note

Since GitHub actions workers (including paid ones) have only 2 CPU cores, the worker number was reduced from 4 to 2.

Kaggle tests were disabled by removing --kaggle flag from tests.

After merge

After the PR is merged, the build must be included in settings area as a required step for PR checks

[codecov]

Codecov Report

Merging #1241 (2084cd2) into main (2402279) will decrease coverage by 0.49%.
The diff coverage is 88.53%.

@@            Coverage Diff             @@
##             main    #1241      +/-   ##
==========================================
- Coverage   91.83%   91.34%   -0.50%     
==========================================
  Files         136      142       +6     
  Lines        9056     9926     +870     
==========================================
+ Hits         8317     9067     +750     
- Misses        739      859     +120     

Impacted Files	Coverage Δ
hub/core/lock.py	91.11% <ø> (+6.66%)	⬆️
hub/htype.py	100.00% <ø> (ø)
hub/core/storage/s3.py	71.91% <46.15%> (-15.97%)	⬇️
hub/core/storage/tests/test_storage_provider.py	83.92% <57.14%> (-16.08%)	⬇️
hub/core/sample.py	86.61% <80.00%> (+0.44%)	⬆️
hub/core/dataset/hub_cloud_dataset.py	81.63% <81.63%> (ø)
hub/core/ipc.py	83.00% <83.00%> (ø)
hub/util/json.py	83.78% <83.78%> (ø)
hub/core/chunk_engine.py	88.02% <85.71%> (-0.54%)	⬇️
hub/integrations/pytorch/pytorch.py	92.85% <85.71%> (+2.61%)	⬆️
... and 46 more

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[CLAassistant]

All committers have signed the CLA.

[verbose-void]

looks good! circleci kinda sucks