chore(deps): update rust crate serde_json to v1.0.134 (#283)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [serde_json](https://redirect.github.com/serde-rs/json) |
dev-dependencies | patch | `1.0.133` -> `1.0.134` |

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### Release Notes

<details>
<summary>serde-rs/json (serde_json)</summary>

###
[`v1.0.134`](https://redirect.github.com/serde-rs/json/releases/tag/v1.0.134)

- Add `RawValue` associated constants for literal `null`, `true`,
`false`
([#&#8203;1221](https://redirect.github.com/serde-rs/json/issues/1221),
thanks [@&#8203;bheylin](https://redirect.github.com/bheylin))

</details>

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