Bump org.springframework.graphql:spring-graphql from 2.0.2 to 2.0.3 (#10968)

Bumps [org.springframework.graphql:spring-graphql](https://github.com/spring-projects/spring-graphql) from 2.0.2 to 2.0.3.
- [Release notes](https://github.com/spring-projects/spring-graphql/releases)
- [Commits](spring-projects/spring-graphql@v2.0.2...v2.0.3)

---
updated-dependencies:
- dependency-name: org.springframework.graphql:spring-graphql
  dependency-version: 2.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -58,7 +58,7 @@ servletApiVersion = "6.1.0"
 smackVersion = "4.4.8"
 springAmqpVersion = "4.1.0-RC1"
 springDataVersion = "2026.0.0-RC1"
-springGraphqlVersion = "2.0.2"
+springGraphqlVersion = "2.0.3"
 springKafkaVersion = "4.1.0-RC1"
 springSecurityVersion = "7.1.0-RC1"
 springVersion = "7.0.7"