Bump assert-helpers from 8.2.0 to 8.4.0

[dependabot[bot]]

Bumps assert-helpers from 8.2.0 to 8.4.0.

Changelog

Sourced from assert-helpers's changelog.

v8.4.0 2021 July 30

• Updated dependencies, base files, and editions using boundation

v8.3.0 2021 July 29

• Updated dependencies, base files, and editions using boundation

Commits

• 9f5dfef v8.4.0 - boundation, changelog, version bump
• c9a5ca1 v8.3.0 - boundation, changelog, version bump
• See full diff in compare view

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