Bump scipy from 1.6.3 to 1.7.0

Bumps [scipy](https://github.com/scipy/scipy) from 1.6.3 to 1.7.0.
- [Release notes](https://github.com/scipy/scipy/releases)
- [Commits](scipy/scipy@v1.6.3...v1.7.0)

---
updated-dependencies:
- dependency-name: scipy
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,6 +1,6 @@
 # base
 numpy>=1.18.0
-scipy==1.6.3
+scipy==1.7.0
 matplotlib==3.4.2
 scikit-learn>=0.22.2,<0.24.3
 six==1.16.0