Bump @openzeppelin/test-helpers from 0.5.15 to 0.5.16

[dependabot[bot]]

Bumps @openzeppelin/test-helpers from 0.5.15 to 0.5.16.

Changelog

Sourced from @​openzeppelin/test-helpers's changelog.

0.5.16 (2022-09-06)

• Fix warning under Hardhat 2.11.

Commits

• ae72538 0.5.16
• cdbd93c Fix warning under Hardhat 2.11
• c3809dc Remove buidler clarification (#186)
• 4212418 Remove buidler clarification (#185)
• 9a63072 lint
• See full diff in compare view

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