Bump idna from 2.10 to 3.2

Bumps idna from 2.10 to 3.2.

Changelog

Sourced from idna's changelog.

3.2 (2021-05-29) ++++++++++++++++

• Add type hints (Thanks, Seth Michael Larson!)
• Remove support for Python 3.4

3.1 (2021-01-04) ++++++++++++++++

• Ensure license is included in package (Thanks, Julien Schueller)
• No longer mark wheel has universal (Thanks, Matthieu Darbois)
• Test on PowerPC using Travis CI

3.0 (2021-01-01) ++++++++++++++++

• Python 2 is no longer supported (the 2.x branch supports Python 2, use "idna<3" in your requirements file if you need Python 2 support)
• Support for V2 UTS 46 test vectors.

Commits

• 9879123 Release v3.2
• b0ef4bf Move types into source, drop Python 3.4 (#96)
• a9e4f73 Merge pull request #95 from jayaddison/tools-dir-pyupgrade
• f7cfd0e Apply pyupgrade to the tools directory
• 2b16336 Add type stubs (#94)
• 8ba8151 Release v3.1
• 701239f Update history with recent PRs
• 47bc65e Include license in pypi tarball (#92)
• 8403413 Drop universal bdist_wheel option (#93)
• 6bd89af Test on PowerPC with Travis CI (#91)
• Additional commits viewable in compare view