chore(deps): update rust crate handlebars to v6 (oxc-project#4402)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [handlebars](https://github.com/sunng87/handlebars-rust) |
workspace.dependencies | major | `5.1.2` -> `6.0.0` |

---

### Release Notes

<details>
<summary>sunng87/handlebars-rust (handlebars)</summary>

###
[`v6.0.0`](https://github.com/sunng87/handlebars-rust/blob/HEAD/CHANGELOG.md#600---2024-07-20)

[Compare
Source](https://github.com/sunng87/handlebars-rust/compare/v5.1.2...v6.0.0)

- \[Fixed] Various indent issue with partials, empty lines and helpers
\[[#&#8203;646](https://github.com/sunng87/handlebars-rust/issues/646)]

\[[#&#8203;654](https://github.com/sunng87/handlebars-rust/issues/654)]
\[[#&#8203;658](https://github.com/sunng87/handlebars-rust/issues/658)]
- \[Fixed] Bug when accessing nested path
\[[#&#8203;651](https://github.com/sunng87/handlebars-rust/issues/651)]
- \[Added] New public access to `PathSeg`
\[[#&#8203;656](https://github.com/sunng87/handlebars-rust/issues/656)]
- \[Added] New API to set single block params in `BlockContext`
\[[#&#8203;655](https://github.com/sunng87/handlebars-rust/issues/655)]
- \[Added] `From<RenderError>` for `RenderErrorReason`
\[[#&#8203;644](https://github.com/sunng87/handlebars-rust/issues/644)]
- \[Changed] Add `non_exhaustive` attribute to all public memebers
\[[#&#8203;647](https://github.com/sunng87/handlebars-rust/issues/647)]
- \[Changed] `RenderContext` API and improved performance for partial
rendering

\[[#&#8203;661](https://github.com/sunng87/handlebars-rust/issues/661)]
\[[#&#8203;662](https://github.com/sunng87/handlebars-rust/issues/662)]
- \[Changed] Improved error messsage for template parsing
\[[#&#8203;638](https://github.com/sunng87/handlebars-rust/issues/638)]

</details>

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Cargo.toml

@@ -154,7 +154,7 @@ language-tags       = "0.3.2"
 tsify               = "0.4.5"
 wasm-bindgen        = "0.2.92"
 serde-wasm-bindgen  = "0.6.5"
-handlebars          = "5.1.2"
+handlebars          = "6.0.0"
 base64              = "0.22.1"
 compact_str         = "0.8.0"
 console             = "0.15.8"