Bump numpy from 1.20.3 to 1.21.0 in /data/preprocess

Bumps [numpy](https://github.com/numpy/numpy) from 1.20.3 to 1.21.0.
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/main/doc/HOWTO_RELEASE.rst.txt)
- [Commits](numpy/numpy@v1.20.3...v1.21.0)

---
updated-dependencies:
- dependency-name: numpy
  dependency-type: direct:production
...

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

Author: dependabot[bot]

data/preprocess/requirements-preprocess.txt

@@ -1,7 +1,7 @@
 datasets==1.8.0
 dill==0.3.4
 en-core-web-sm @ https://github.com/explosion/spacy-models/releases/download/en_core_web_sm-3.0.0/en_core_web_sm-3.0.0-py3-none-any.whl
-numpy==1.20.3
+numpy==1.21.0
 packaging==20.9
 pandas==1.2.4
 Penman==1.2.0