Bump scikit-learn from 1.0.1 to 1.2.1

Bumps [scikit-learn](https://github.com/scikit-learn/scikit-learn) from 1.0.1 to 1.2.1.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@1.0.1...1.2.1)

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

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

Author: dependabot[bot]

requirements.txt

@@ -1,5 +1,5 @@
 numpy==1.17.2
-scikit-learn==1.0.1
+scikit-learn==1.2.1
 scipy==1.7.1
 pymongo==3.10.1
 fireworks==1.9.7