Bump statsmodels from 0.11.0 to 0.11.1

Bumps [statsmodels](https://github.com/statsmodels/statsmodels) from 0.11.0 to 0.11.1.
- [Release notes](https://github.com/statsmodels/statsmodels/releases)
- [Changelog](https://github.com/statsmodels/statsmodels/blob/master/CHANGES.md)
- [Commits](statsmodels/statsmodels@v0.11.0...v0.11.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -6,7 +6,7 @@ scikit-learn==0.22.1
 six==1.13.0
 Pillow==7.1.0
 tqdm==4.45.0
-statsmodels==0.11.0
+statsmodels==0.11.1
 pydub==0.24.1
 resampy==0.2.2
 ffmpeg-python==0.2.0