Bump numpy from 1.17.4 to 1.21.0 in /unsupported/attack-predictor/1.0.0

Bumps [numpy](https://github.com/numpy/numpy) from 1.17.4 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@v1.17.4...v1.21.0)

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

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

Author: dependabot[bot]

unsupported/attack-predictor/1.0.0/requirements.txt

@@ -1,7 +1,7 @@
 colorama==0.4.4
 joblib==0.14.1
 nltk==3.4.5
-numpy==1.17.4
+numpy==1.21.0
 pandas==0.25.3
 #scikit-learn==0.22.2.post1
 stix2==1.2.1