Bump numpy from 1.5.1 to 1.22.0

Bumps [numpy](https://github.com/numpy/numpy) from 1.5.1 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](https://github.com/numpy/numpy/compare/v1.5.1...v1.22.0)

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

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

requirements.txt

@@ -1,5 +1,5 @@
 Pydap==3.0.1
-numpy==1.5.1
+numpy==1.22.0
 statsd-client==1.0.2
 simplejson==2.1.1