Update to Spring Framework 6.1.0-RC1

Closes gh-829

Author: jzheaux

dependencies/.build.gradle.swp

@@ -14,7 +14,7 @@ repositories {
 ext.queryDslVersion = '5.0.0'
 
 dependencies {
-	api platform("org.springframework:spring-framework-bom:6.1.0-M5")
+	api platform("org.springframework:spring-framework-bom:6.1.0-RC1")
 	api platform("org.springframework.data:spring-data-bom:2021.2.15")
 	api platform('com.fasterxml.jackson:jackson-bom:2.15.2')
 	api platform("org.junit:junit-bom:5.10.0")