Bump numpy from 1.13.3 to 1.22.0 in /assignment3

Bumps [numpy](https://github.com/numpy/numpy) from 1.13.3 to 1.22.0.
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/main/doc/HOWTO_RELEASE.rst)
- [Commits](numpy/numpy@v1.13.3...v1.22.0)

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

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

Author: dependabot[bot]

assignment3/requirements.txt

@@ -37,7 +37,7 @@ nbconvert==5.4.1
 nbformat==4.4.0
 notebook==5.7.8
 numexpr==2.6.9
-numpy==1.16.2
+numpy==1.22.0
 pandocfilters==1.4.2
 parso==0.4.0
 pexpect==4.7.0