Update pyudev requirement from ~=0.21.0 to ~=0.22.0

[dependabot]

Updates the requirements on pyudev to permit the latest version.

Changelog

Sourced from pyudev's changelog.

0.22.0 (Jan, 2020)

• Add a six-enabled move for collections move imports: pyudev/pyudev#386
• Fix any newly introduced pylint errors
• Numerous improvements or updates to the test infrastructure
• A number of test updates
• Require yapf 0.21.0 for Python formatting
• Various documentation fixes and updates

0.21.0 (July 20, 2016)

• Deprecate use of Device object as mapping from udev property names to values.
• Add a Properties class and a Device.properties() method for udev properties.
• Fix places where Device object was incorrectly used in a boolean context.
• Return an empty string, not None, if the property value is an empty string.
• Exceptions re-raised from libudev calls now have a message string.
• Insert a warning about using a Device in a boolean context in docs.
• Infrastructure for vagrant tests is removed.
• Various internal refactorings.
• Extensive test improvements.
• Numerous documentation fixes.

0.20.0 (April 29, 2016)

• Remove parsing code added in previous release.
• No longer do CI for Python 2.6.
• Eliminate all wildcard imports and all statements.
• No longer use deprecated Device.from_sys_path() method.
• Minor pylint induced changes.
• Documentation fixes.

0.19.0 (Feb 3, 2016)

• Restore raising KeyError by Attributes.as* methods when attribute not found.
• Explicitly require six module.
• Never raise a DeviceNotFoundError when iterating over a device enumeration.
• Device.subsystem() now returns None if device has no subsystem.
• Add DeprecationWarnings to deprecated Device methods.
• Replace "/" with "!" in Device.from_name() sys_name parameter.
• Add some unstable classes for parsing some kinds of values.
• Make version info more like Python's including micro numbers and levels.
• Refactor some internal modules into subdirectories.
• Work on tests and reproducers.

Commits

• 3559348 Merge pull request #397 from mulkieran/develop-0.22-changelog
• 1c9efc2 New version: 0.22
• a577166 Add changelog entry for version 0.22
• e3d380a Merge pull request #393 from mulkieran/develop-0.22-monitor
• 32bd566 Be less specific about the error returned by remove_filter
• 2bbeca1 Merge pull request #392 from mulkieran/develop-0.2-hypothesis
• a720077 Use 4.11.7 version of hypothesis
• faa3a46 Merge pull request #391 from mulkieran/develop-0.22-test-properties
• e9eb8e8 Do not check device properties against the udevadm oracle
• b97577a Merge pull request #386 from mulkieran/develop-0.22-collections
• Additional commits viewable in compare view

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