Patch GraphQL (#3911)

## Motivation

GraphQL playground is not working (see
async-graphql/async-graphql#1703)

## Proposal

Patch it to a fork of async-graphql where `v7.0.2` is patched to use
React18.

## Test Plan
Tested locally and it works
<img width="1443" alt="Screenshot 2025-05-08 at 13 16 42"
src="https://github.com/user-attachments/assets/affb9123-2f4f-4aef-a7f8-d249b6f0c5fb"
/>

## Release Plan

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- Nothing to do / These changes follow the usual release cycle.
- These changes should be backported to the latest `devnet` branch, then
    - be released in a new SDK,
    - be released in a validator hotfix.
- These changes should be backported to the latest `testnet` branch,
then
    - be released in a new SDK,
    - be released in a validator hotfix.
- Backporting is not possible but we may want to deploy a new `devnet`
and release a new
      SDK soon.

## Links

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- [reviewer
checklist](https://github.com/linera-io/linera-protocol/blob/main/CONTRIBUTING.md#reviewer-checklist)

Author: deuszx

Cargo.lock

@@ -283,5 +283,10 @@ branch = "no-uuid-wasm-bindgen"
 git = "https://github.com/Twey/wasm_thread"
 branch = "post-message"
 
+[patch.crates-io]
+async-graphql = { git = "https://github.com/deuszx/async-graphql", branch = "v7.0.2-react18" }
+async-graphql-axum = { git = "https://github.com/deuszx/async-graphql", branch = "v7.0.2-react18" }
+async-graphql-value = { git = "https://github.com/deuszx/async-graphql", branch = "v7.0.2-react18" }
+
 [workspace.metadata.spellcheck]
 config = "spellcheck-cfg.toml"