Update configs of circleci and github action

[zhouzaida]

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Motivation

Refactor the configs of circleci and github action ci to cover more platforms, devices, and torch versions.

2.x branch
Pull Request Stage
		PyTorch1.6	PyTorch1.7	PyTorch1.8	PyTorch1.9	PyTorch1.10	PyTorch1.11	PyTorch1.12
Linux	CPU	Python3.6 (CircleCI)		Python3.7 (Github Action)				Python3.9 (CirlceCI)
	CUDA10.2			Python3.7 (CircleCI) Python3.8 (Github Action)
	CUDA11.1
Windows	CPU			Python3.7 (Github Action)
	CUDA10.2
	CUDA11.1			Python3.7 (Github Action)
macOS	CPU			Python3.7 (Github Action)
Push Stage
		PyTorch1.6	PyTorch1.7	PyTorch1.8	PyTorch1.9	PyTorch1.10	PyTorch1.11	PyTorch1.12
Linux	CPU	Python3.7 (Github Action)	Python3.7 (Github Action)	Python3.6 (Github Action) Python3.7 (Github Action) Python3.8 (Github Action) Python3.9 (Github Action)	Python3.7 (Github Action)	Python3.7 (Github Action)	Python3.7 (Github Action)	Python3.7 (Github Action)
	CUDA10.1	Python3.7 (CircleCI)
	CUDA10.2			Python3.8 (Github Action)
	CUDA11.1
Windows	CPU			Python3.7 (Github Action)		Python3.7 (Github Action)
	CUDA10.2
	CUDA11.1			Python3.7 (Github Action)		Python3.7 (Github Action)
macOS	CPU	Python3.7 (Github Action)		Python3.7 (Github Action)				Python3.7 (Github Action)

Modification

Please briefly describe what modification is made in this PR.

BC-breaking (Optional)

Does the modification introduce changes that break the backward-compatibility of the downstream repositories?
If so, please describe how it breaks the compatibility and how the downstream projects should modify their code to keep compatibility with this PR.

Use cases (Optional)

If this PR introduces a new feature, it is better to list some use cases here, and update the documentation.

Checklist

Before PR:

• I have read and followed the workflow indicated in the CONTRIBUTING.md to create this PR.
• Pre-commit or linting tools indicated in CONTRIBUTING.md are used to fix the potential lint issues.
• Bug fixes are covered by unit tests, the case that causes the bug should be added in the unit tests.
• New functionalities are covered by complete unit tests. If not, please add more unit test to ensure the correctness.
• The documentation has been modified accordingly, including docstring or example tutorials.

After PR:

• If the modification has potential influence on downstream or other related projects, this PR should be tested with some of those projects, like MMDet or MMCls.
• CLA has been signed and all committers have signed the CLA in this PR.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (2.x@1f284fe). Click here to learn what that means.
Patch has no changes to coverable lines.

❗ Current head 664a98f differs from pull request most recent head 6df1210. Consider uploading reports for the commit 6df1210 to get more accurate results

Additional details and impacted files

@@          Coverage Diff           @@
##             2.x    #2255   +/-   ##
======================================
  Coverage       ?   65.53%           
======================================
  Files          ?      122           
  Lines          ?     8107           
  Branches       ?     1229           
======================================
  Hits           ?     5313           
  Misses         ?     2613           
  Partials       ?      181           

Flag	Coverage Δ
unittests	65.53% <0.00%> (?)

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