Import webflux starter being transitive instead of implementation

Author: oliemansm

graphql-webclient/build.gradle

@@ -1,5 +1,5 @@
 dependencies {
-    implementation "org.springframework.boot:spring-boot-starter-webflux"
+    api "org.springframework.boot:spring-boot-starter-webflux"
 
     testImplementation "org.springframework.boot:spring-boot-starter-webflux"
     testImplementation "org.springframework.boot:spring-boot-starter-test"