Bump numpy from 1.19.0 to 1.19.1

Bumps [numpy](https://github.com/numpy/numpy) from 1.19.0 to 1.19.1.
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/master/doc/HOWTO_RELEASE.rst.txt)
- [Commits](https://github.com/numpy/numpy/compare/v1.19.0...v1.19.1)

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

requirements.txt

@@ -1,5 +1,5 @@
 # Load common requirements
 -r requirements-common.txt
 
-numpy==1.19.0
+numpy==1.19.1
 pandas==1.0.5