Update README.md

[eltociear]

huggingface -> Hugging Face

[codecov]

Codecov Report

Merging #4879 (3f5f9fa) into master (a449d76) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #4879   +/-   ##
=======================================
  Coverage   78.80%   78.80%           
=======================================
  Files         577      577           
  Lines       51659    51659           
=======================================
  Hits        40710    40710           
  Misses      10949    10949           

Flag	Coverage Δ
test_integration_espnet1	66.38% <ø> (ø)
test_integration_espnet2	48.12% <ø> (ø)
test_python	68.27% <ø> (ø)
test_utils	23.35% <ø> (ø)

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