Compile against latest milestones

This commit ensures that we compile against the latest milestones
released. This is mandatory before releasing our own milestone.

Author: bclozel

build.gradle

@@ -59,9 +59,9 @@ configure(moduleProjects) {
 		imports {
 			mavenBom "com.fasterxml.jackson:jackson-bom:2.13.1"
 			mavenBom "io.projectreactor:reactor-bom:2020.0.17"
-			mavenBom "org.springframework:spring-framework-bom:5.3.17-SNAPSHOT"
-			mavenBom "org.springframework.data:spring-data-bom:2021.2.0-SNAPSHOT"
-			mavenBom "org.springframework.security:spring-security-bom:5.7.0-SNAPSHOT"
+			mavenBom "org.springframework:spring-framework-bom:5.3.17"
+			mavenBom "org.springframework.data:spring-data-bom:2021.2.0-M4"
+			mavenBom "org.springframework.security:spring-security-bom:5.7.0-M3"
 			mavenBom "com.querydsl:querydsl-bom:5.0.0"
 			mavenBom "org.jetbrains.kotlin:kotlin-bom:1.5.32"
 			mavenBom "org.jetbrains.kotlinx:kotlinx-coroutines-bom:1.5.2"