Bump numpy in /NLP/Conversational-Recommendation-BASELINE

Bumps [numpy](https://github.com/numpy/numpy) from 1.16.1 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@v1.16.1...v1.21.0)

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

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

Author: dependabot[bot]

NLP/Conversational-Recommendation-BASELINE/requirements.txt

@@ -22,7 +22,7 @@ jmespath==0.9.5
 kiwisolver==1.1.0
 matplotlib==2.2.3
 nltk==3.4
-numpy==1.16.1
+numpy==1.21.0
 objgraph==3.4.1
 opencv-python==4.1.1.26
 paddlepaddle-gpu==1.6.1.post97