Update chardet requirement from <3.1,>=3.0 to >=3.0,<5.3 (#1293)

Updates the requirements on [chardet](https://github.com/chardet/chardet) to permit the latest version.
- [Release notes](https://github.com/chardet/chardet/releases)
- [Commits](chardet/chardet@3.0.0...5.2.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -11,7 +11,7 @@ werkzeug<1.0 # https://github.com/pallets/werkzeug/blob/master/CHANGES
 backports.ssl-match-hostname==3.7.0.1 # required by tornado<5.0
 patool>=1.12,<3.2  # https://github.com/wummel/patool/blob/master/doc/changelog.txt
 bcrypt>=3.1,<4.3  # https://github.com/pyca/bcrypt/
-chardet>=3.0,<3.1  # https://pypi.python.org/pypi/chardet
+chardet>=3.0,<5.3  # https://pypi.python.org/pypi/chardet
 babel==2.12.1  # http://babel.pocoo.org/en/latest/changelog.html
 pyxdg>=0.26,<0.29  # https://freedesktop.org/wiki/Software/pyxdg/
 Jinja2>=2.10,<2.11  # http://jinja.pocoo.org/docs/latest/changelog/