fix(deps): update module github.com/wundergraph/graphql-go-tools/v2 to v2.0.0-rc.263 (#771)

This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [github.com/wundergraph/graphql-go-tools/v2](https://github.com/wundergraph/graphql-go-tools) | `v2.0.0-rc.262` → `v2.0.0-rc.263` | ![age](https://developer.mend.io/api/mc/badges/age/go/github.com%2fwundergraph%2fgraphql-go-tools%2fv2/v2.0.0-rc.263?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/go/github.com%2fwundergraph%2fgraphql-go-tools%2fv2/v2.0.0-rc.262/v2.0.0-rc.263?slim=true) |

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### Release Notes

<details>
<summary>wundergraph/graphql-go-tools (github.com/wundergraph/graphql-go-tools/v2)</summary>

### [`v2.0.0-rc.263`](https://github.com/wundergraph/graphql-go-tools/releases/tag/v2.0.0-rc.263)

[Compare Source](https://github.com/wundergraph/graphql-go-tools/compare/v2.0.0-rc.262...v2.0.0-rc.263)

##### Features

- support field resolvers with empty arguments ([#&#8203;1440](https://github.com/wundergraph/graphql-go-tools/issues/1440)) ([58305bc](https://github.com/wundergraph/graphql-go-tools/commit/58305bc61a774e0ced6def84f63f75f5c4556dc8))

</details>

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### Configuration

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🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

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---

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Reviewed-on: https://gitea.unbound.se/unboundsoftware/schemas/pulls/771
Co-authored-by: Renovate Bot <renovate@unbound.se>
Co-committed-by: Renovate Bot <renovate@unbound.se>

go.mod

@@ -16,7 +16,7 @@ require (
 	github.com/sparetimecoders/goamqp v0.3.3
 	github.com/stretchr/testify v1.11.1
 	github.com/vektah/gqlparser/v2 v2.5.32
-	github.com/wundergraph/graphql-go-tools/v2 v2.0.0-rc.262
+	github.com/wundergraph/graphql-go-tools/v2 v2.0.0-rc.263
 	gitlab.com/unboundsoftware/eventsourced/amqp v1.9.1
 	gitlab.com/unboundsoftware/eventsourced/eventsourced v1.19.4
 	gitlab.com/unboundsoftware/eventsourced/pg v1.18.4