⬆ Bump graphqlKotlin from 8.3.0 to 8.4.0

Bumps `graphqlKotlin` from 8.3.0 to 8.4.0.

Updates `com.expediagroup:graphql-kotlin-client` from 8.3.0 to 8.4.0
- [Release notes](https://github.com/ExpediaGroup/graphql-kotlin/releases)
- [Commits](ExpediaGroup/graphql-kotlin@8.3.0...8.4.0)

Updates `com.expediagroup:graphql-kotlin-client-jackson` from 8.3.0 to 8.4.0
- [Release notes](https://github.com/ExpediaGroup/graphql-kotlin/releases)
- [Commits](ExpediaGroup/graphql-kotlin@8.3.0...8.4.0)

Updates `com.expediagroup:graphql-kotlin-ktor-client` from 8.3.0 to 8.4.0
- [Release notes](https://github.com/ExpediaGroup/graphql-kotlin/releases)
- [Commits](ExpediaGroup/graphql-kotlin@8.3.0...8.4.0)

Updates `com.expediagroup:graphql-kotlin-ktor-server` from 8.3.0 to 8.4.0
- [Release notes](https://github.com/ExpediaGroup/graphql-kotlin/releases)
- [Commits](ExpediaGroup/graphql-kotlin@8.3.0...8.4.0)

Updates `com.expediagroup.graphql` from 8.3.0 to 8.4.0
- [Release notes](https://github.com/ExpediaGroup/graphql-kotlin/releases)
- [Commits](ExpediaGroup/graphql-kotlin@8.3.0...8.4.0)

---
updated-dependencies:
- dependency-name: com.expediagroup:graphql-kotlin-client
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.expediagroup:graphql-kotlin-client-jackson
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.expediagroup:graphql-kotlin-ktor-client
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.expediagroup:graphql-kotlin-ktor-server
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.expediagroup.graphql
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Diff for: gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 flyway = "11.4.0"
-graphqlKotlin = "8.3.0"
+graphqlKotlin = "8.4.0"
 jackson = "2.18.3"
 ktor = "3.1.1"
 tbdLibs = "2025.03.10-19.50-d556269c"