fix(deps): update dependency com.graphql-java:graphql-java to v26

Author: renovate[bot]

commercetools/commercetools-graphql-api/build.gradle

@@ -32,7 +32,7 @@ dependencies {
     testImplementation project(':commercetools:commercetools-http-client')
     implementation 'com.google.code.findbugs:jsr305:3.0.2'
     implementation 'jakarta.validation:jakarta.validation-api:3.1.1'
-    api 'com.graphql-java:graphql-java:19.11'
+    api 'com.graphql-java:graphql-java:26.1'
     api 'tools.jackson.core:jackson-databind:3.2.2'
     api 'tools.jackson.core:jackson-core:3.2.2'
     //api jackson_core.datatype