Update quickcheck requirement from 0.6.2 to 1.0.3

[dependabot-preview[bot]]

Updates the requirements on quickcheck to permit the latest version.

Commits

• defde6f 1.0.3
• 32d8b03 impl: eliminate panic on overflowing absolute value
• 4b11ba8 1.0.2
• 82373f9 impl: fix signed shrinker
• 40ebcc6 1.0.1
• 74d0c60 deps: trim 'rand' dependencies
• 9dfcf7f release: more preparation for 1.0 release
• 480a879 release: prepare for 1.0 release
• c773663 semver: add note on compatibility
• d44b417 style: tweak formatting of top-level comment
• Additional commits viewable in compare view

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