Implement hardsigmoid and hardswish | feat(torchlib)

[justinchuby]

Fixes #1210.

For hardsigmoid, y = max(0, min(1, alpha * x + beta)) where alpha=1/6 and beta=0.5 is equivalent with the pytorch definition

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (8a3ba8f) 78.58% compared to head (74d9353) 78.62%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1216      +/-   ##
==========================================
+ Coverage   78.58%   78.62%   +0.04%     
==========================================
  Files         118      118              
  Lines       15492    15494       +2     
  Branches     2437     2439       +2     
==========================================
+ Hits        12174    12182       +8     
+ Misses       2918     2911       -7     
- Partials      400      401       +1     

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[github-actions]

Test Results

         24 files         24 suites   1h 54m 1s ⏱️
  11 332 tests   8 435 ✔️     2 890 💤   7 ❌
273 532 runs  62 223 ✔️ 211 254 💤 55 ❌

For more details on these failures, see this check.

Results for commit 74d9353.