chore(deps): update rust crate allocator-api2 to v0.2.19 (#1263)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[allocator-api2](https://redirect.github.com/zakarumych/allocator-api2)
| workspace.dependencies | patch | `0.2.18` -> `0.2.19` |

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