Update to Spring Framework 6.0.0-RC1

Closes gh-706

Author: jzheaux

dependencies/build.gradle

@@ -14,7 +14,7 @@ repositories {
 ext.queryDslVersion = '5.0.0'
 
 dependencies {
-	api platform("org.springframework:spring-framework-bom:6.0.0-M6")
+	api platform("org.springframework:spring-framework-bom:6.0.0-RC1")
 	api platform("org.springframework.data:spring-data-bom:2022.0.0-M5")
 	api platform("com.fasterxml.jackson:jackson-bom:2.13.4")
 	api platform("org.junit:junit-bom:5.9.0")