Bump numpy from 1.14.5 to 1.21.0

Bumps [numpy](https://github.com/numpy/numpy) from 1.14.5 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@v1.14.5...v1.21.0)

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

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

Author: dependabot[bot]

requirements.txt

@@ -4,7 +4,7 @@ scipy==1.1.0
 scikit_image==0.13.1
 opencv_python==3.4.2.17
 tqdm==4.19.9
-numpy==1.14.5
+numpy==1.21.0
 torchvision==0.2.1
 Cython==0.29.2
 dsntnn==0.4.0a0