Upgrade to Spring Security 6.0.0-RC1

Closes gh-515

Author: bclozel

platform/build.gradle

@@ -12,7 +12,7 @@ dependencies {
 	api(platform("io.projectreactor:reactor-bom:2022.0.0-RC1"))
 	api(platform("io.micrometer:micrometer-bom:1.10.0-RC1"))
 	api(platform("org.springframework.data:spring-data-bom:2022.0.0-RC1"))
-	api(platform("org.springframework.security:spring-security-bom:6.0.0-M7"))
+	api(platform("org.springframework.security:spring-security-bom:6.0.0-RC1"))
 	api(platform("com.querydsl:querydsl-bom:5.0.0"))
 	api(platform("io.rsocket:rsocket-bom:1.1.3"))
 	api(platform("org.jetbrains.kotlin:kotlin-bom:1.7.10"))