Update flask-htmlmin to 2.2.1

[pyup-bot]

This PR updates Flask-HTMLmin from 1.4.0 to 2.2.1.

Changelog

2.2.0

- Inline CSS minification (cRyp70s)
- Update README (hamidfzm)
- Bump Pipfile dependencies (dependabot)

2.1.0

- Update README (hamidfzm)
- Bump Pipfile dependencies (dependabot)

2.0.3

- Fix minor issues

2.0.2

- Fix bug in Github publish to PyPi action

2.0.1

- Fix bug in Github publish to PyPi action

2.0.0

This release comes in the midst of a global pandemic. Wish you a healthy life with lots of success.

- Dropped support for Python 2.7 (`setuptools` stopped supporting it so basically you can't install this project in Python 2.7)
- Migrate from Travis CI to Github Actions
- Migrate from Coveralls to Codecov
- Update README
- Update PyPI description
- Fix comments typo (timgates42)

1.5.2

- Fix setup.py issues
- Update setup.py categories
- Fix tests
- Change MINIFY_PAGE to MINIFY_HTML
- Add deprecation warning for old config

I'm going to implement a caching solution for minified HTML. Any suggestions would be greatly appreciated.

1.5.0

- Add Route (or URL rule) exemption (hamidfzm)
- Update tests (hamidfzm)
- Add python 3.7 support (hamidfzm)
- Update README (hamidfzm)
- Example
- Badges

Links

• PyPI: https://pypi.org/project/flask-htmlmin
• Changelog: https://pyup.io/changelogs/flask-htmlmin/
• Repo: https://github.com/hamidfzm/Flask-HTMLmin

[pyup-bot]

Closing this in favor of #3154