Bump statsmodels from 0.13.0 to 0.13.1

Bumps [statsmodels](https://github.com/statsmodels/statsmodels) from 0.13.0 to 0.13.1.
- [Release notes](https://github.com/statsmodels/statsmodels/releases)
- [Changelog](https://github.com/statsmodels/statsmodels/blob/main/CHANGES.md)
- [Commits](statsmodels/statsmodels@v0.13.0...v0.13.1)

---
updated-dependencies:
- dependency-name: statsmodels
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,12 +1,12 @@
 # base
 numpy>=1.18.0
-scipy==1.7.1
+scipy==1.7.2
 matplotlib==3.4.3
 scikit-learn>=0.22.2,<1.1.0
 six==1.16.0
 Pillow==8.4.0
 tqdm==4.62.3
-statsmodels==0.13.0
+statsmodels==0.13.1
 pydub==0.25.1
 resampy==0.2.2
 ffmpeg-python==0.2.0