Add isObject function, and move camelToKebabCase to hardhat-utils

[sisco0]

• [ ] Because this PR includes a bug fix, relevant tests have been included.
• [x] Because this PR includes a new feature, the change was previously discussed on an Issue or with someone from the team.
• [ ] I didn't do anything of this.

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Solves issue https://github.com/NomicFoundation/hardhat/issues/5305.

This Pull Request performs the following actions:

1. Introduces a new utility function isObject
2. Refactors the existing kebabToCamelCase function by moving it to the hardhat-utils package.

No test has been performed over the current proposal.

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Latest commit: 29424d105afef1e79da602a6df00e06790a055f0

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Name	Status	Preview	Comments	Updated (UTC)
hardhat	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 5, 2024 10:47pm

[sisco0]

Solved conflicts.

[kanej]

Hey @sisco0, we really appreciate the PRs but issues tagged as v-next are against the next version of Hardhat. The work there is internal for the moment. The v-next part of the codebase is under rapid change guided by regular sync meetings. Hopefully this part of the codebase will have solidified enough to accept external PRs soon. In the meantime, if your looking to pick up an issue (and we really do appreciate all the effort) we would ask that you filter out those with the v-next label.