Bump tqdm from 4.49.0 to 4.59.0 (#973)

Bumps [tqdm](https://github.com/tqdm/tqdm) from 4.49.0 to 4.59.0.
- [Release notes](https://github.com/tqdm/tqdm/releases)
- [Commits](tqdm/tqdm@v4.49.0...v4.59.0)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Beat Buesser <49047826+beat-buesser@users.noreply.github.com>

requirements.txt

@@ -5,7 +5,7 @@ matplotlib==3.3.4
 scikit-learn>=0.22.2,==0.23.*
 six==1.15.0
 Pillow==7.2.0
-tqdm==4.49.0
+tqdm==4.59.0
 statsmodels==0.12.1
 pydub==0.24.1
 resampy==0.2.2