Bump url from 2.2.0 to 2.2.1

Created by: dependabot[bot]

Bumps url from 2.2.0 to 2.2.1.

Commits

• 7bb95a1 Merge pull request #683 from servo/test-include
• 5d0ee3a Add tests to url package; update to 2.2.1
• 5e92976 Merge pull request #678 from djc/idna-0.2.2
• ea406e7 Merge pull request #680 from mrobakowski/master
• 74bb107 update unicode-normalization to 0.1.17
• 844a3f2 idna: bump version to 0.2.2
• 00cd65b Merge pull request #676 from djc/idna2008
• 04b7f49 idna: combine two tables
• 945908c idna: only store range start in the initial TABLE
• 245aba3 idna: implement support for reporting errors on invalid IDNA2008 characters
• Additional commits viewable in compare view

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