Update humanize requirement from <4.5,>=0.5.1 to >=0.5.1,<4.8

Updates the requirements on [humanize](https://github.com/python-humanize/humanize) to permit the latest version.
- [Release notes](https://github.com/python-humanize/humanize/releases)
- [Commits](python-humanize/humanize@0.5.1...4.7.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

setup.py

@@ -20,7 +20,7 @@
         'Click>=6.7,<8.2',
         'PyYAML>=5.1,<6.1',
         'panoptes-client>=1.6,<2.0',
-        'humanize>=0.5.1,<4.5',
+        'humanize>=0.5.1,<4.8',
         'pathvalidate>=0.29.0,<2.6',
     ],
     entry_points='''