chore(deps): update dependency esbuild to v0.21.2 (#432)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [esbuild](https://togithub.com/evanw/esbuild) | [`0.21.1` ->
`0.21.2`](https://renovatebot.com/diffs/npm/esbuild/0.21.1/0.21.2) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/esbuild/0.21.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/esbuild/0.21.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/esbuild/0.21.1/0.21.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|

---

### Release Notes

<details>
<summary>evanw/esbuild (esbuild)</summary>

###
[`v0.21.2`](https://togithub.com/evanw/esbuild/blob/HEAD/CHANGELOG.md#0212)

[Compare
Source](https://togithub.com/evanw/esbuild/compare/v0.21.1...v0.21.2)

- Correct `this` in field and accessor decorators
([#&#8203;3761](https://togithub.com/evanw/esbuild/issues/3761))

This release changes the value of `this` in initializers for class field
and accessor decorators from the module-level `this` value to the
appropriate `this` value for the decorated element (either the class or
the instance). It was previously incorrect due to lack of test coverage.
Here's an example of a decorator that doesn't work without this change:

    ```js
    const dec = () => function() { this.bar = true }
    class Foo { @&#8203;dec static foo }
    console.log(Foo.bar) // Should be "true"
    ```

- Allow `es2023` as a target environment
([#&#8203;3762](https://togithub.com/evanw/esbuild/issues/3762))

TypeScript recently [added
`es2023`](https://togithub.com/microsoft/TypeScript/pull/58140) as a
compilation target, so esbuild now supports this too. There is no
difference between a target of `es2022` and `es2023` as far as esbuild
is concerned since the 2023 edition of JavaScript doesn't introduce any
new syntax features.

</details>

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