Bump numpy from 1.17.0 to 1.17.1

Bumps [numpy](https://github.com/numpy/numpy) from 1.17.0 to 1.17.1.
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/master/doc/HOWTO_RELEASE.rst.txt)
- [Commits](numpy/numpy@v1.17.0...v1.17.1)

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

requirements/base.txt

@@ -33,7 +33,7 @@ immutables==0.9
 incremental==17.5.0
 msgpack==0.6.1
 multidict==4.5.2
-numpy==1.17.0
+numpy==1.17.1
 pandas==0.25.0
 Pillow==6.1.0  # https://github.com/python-pillow/Pillow
 profilehooks==1.11.0