Bump numpy from 1.19.1 to 1.21.0 in /abd_model

Bumps [numpy](https://github.com/numpy/numpy) from 1.19.1 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@v1.19.1...v1.21.0)

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

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

Author: dependabot[bot]

abd_model/requirements.txt

@@ -1,7 +1,7 @@
 requests==2.24.0
 albumentations==0.4.6
 mercantile==1.1.5
-numpy==1.19.1
+numpy==1.21.0
 osmium==3.0.1
 Pillow==8.3.2
 psycopg2-binary==2.8.5