[Fix] Replace torch/extension.h with torch/types.h to fix compilation error on Windows

[grimoire]

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Motivation

build bias_act_cuda on windows will leads to compile error.

Modification

disable bias_act_cuda on windows.
TODO: figure out why.

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

Patch coverage: 100.00% and no project coverage change.

Comparison is base (5a45fac) 65.41% compared to head (42d491f) 65.41%.

❗ Current head 42d491f differs from pull request most recent head 6368fc0. Consider uploading reports for the commit 6368fc0 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##              2.x    #2698   +/-   ##
=======================================
  Coverage   65.41%   65.41%           
=======================================
  Files         128      128           
  Lines        8533     8533           
  Branches     1218     1220    +2     
=======================================
  Hits         5582     5582           
  Misses       2742     2742           
  Partials      209      209           

Flag	Coverage Δ
unittests	65.41% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
mmcv/ops/deform_conv.py	66.66% <100.00%> (ø)
mmcv/ops/modulated_deform_conv.py	65.18% <100.00%> (ø)

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