Fix Spring Boot dependency management in build

We should ensure that we do not depend on the Spring Boot dependency
managagement and that docs should build against our project, and not the
version managed by Spring Boot.

Author: bclozel

build.gradle

@@ -8,7 +8,6 @@ ext {
 	moduleProjects = [project(":spring-graphql"), project(":spring-graphql-test")]
 	springFrameworkVersion = "7.0.0-M8"
 	graphQlJavaVersion = "25.0.beta-5"
-	springBootVersion = "4.0.0-M1"
 }
 
 subprojects {
@@ -20,8 +19,7 @@ subprojects {
 	ext.javadocLinks = [
 			"https://docs.oracle.com/en/java/javase/17/docs/api/",
 			"https://javadoc.io/doc/com.graphql-java/graphql-java/${graphQlJavaVersion}/",
-			"https://docs.spring.io/spring-framework/docs/${springFrameworkVersion}/javadoc-api/",
-			"https://docs.spring.io/spring-boot/${springBootVersion}/api/java/",
+			"https://docs.spring.io/spring-framework/docs/${springFrameworkVersion}/javadoc-api/"
 	] as String[]
 
 	repositories {

spring-graphql-docs/build.gradle

@@ -15,6 +15,8 @@ configurations {
 	matching { it.name.endsWith("Classpath") }.all { it.extendsFrom(dependencyManagement) }
 }
 
+def springBootVersion = "4.0.0-M1"
+
 dependencies {
 	dependencyManagement(enforcedPlatform(dependencies.project(path: ":platform")))
 	api project(':spring-graphql')
@@ -25,7 +27,9 @@ dependencies {
 	implementation 'org.springframework:spring-messaging'
 	implementation 'org.springframework.data:spring-data-commons'
 	implementation 'com.querydsl:querydsl-core'
-	implementation "org.springframework.boot:spring-boot-starter-graphql:${springBootVersion}"
+	implementation ("org.springframework.boot:spring-boot-graphql:${springBootVersion}") {
+        exclude group: 'org.springframework.graphql'
+    }
 	implementation "org.springframework.boot:spring-boot-starter-web:${springBootVersion}"
 	implementation 'tools.jackson.core:jackson-databind'
 	implementation 'io.rsocket:rsocket-core'