Merge pull request numpy#19972 from numpy/dependabot/pip/hypothesis-6.23.0

MAINT: Bump hypothesis from 6.21.6 to 6.23.0

Author: charris

test_requirements.txt

@@ -1,7 +1,7 @@
 cython==0.29.24
 wheel<0.37.1
 setuptools<49.2.0
-hypothesis==6.21.6
+hypothesis==6.23.0
 pytest==6.2.5
 pytz==2021.1
 pytest-cov==2.12.1