chore(deps): update dependency util to v0.12.5 (#356)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [util](https://togithub.com/browserify/node-util) | [`0.12.4` ->
`0.12.5`](https://renovatebot.com/diffs/npm/util/0.12.4/0.12.5) |
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|
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|
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---

### Release Notes

<details>
<summary>browserify/node-util (util)</summary>

###
[`v0.12.5`](https://togithub.com/browserify/node-util/blob/HEAD/CHANGELOG.md#0125)

[Compare
Source](https://togithub.com/browserify/node-util/compare/v0.12.4...v0.12.5)

- Move `safe-buffer` dependency to a dev-only dependency.
([@&#8203;goto-bus-stop](https://togithub.com/goto-bus-stop) in
[e84cfd5](https://togithub.com/browserify/node-util/commit/e84cfd5e4923631d012e578d7aa140412a475646))
- Document usage with webpack 5+.
([@&#8203;MatrixFrog](https://togithub.com/MatrixFrog) in
[#&#8203;69](https://togithub.com/browserify/node-util/pull/69))

</details>

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