Revert "Upgrade to Spring Session Corn-RC1"

This reverts commit e7e69e2e16.

See gh-18257

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -197,7 +197,7 @@
 		<spring-restdocs.version>2.0.4.RELEASE</spring-restdocs.version>
 		<spring-retry.version>1.2.4.RELEASE</spring-retry.version>
 		<spring-security.version>5.2.0.RELEASE</spring-security.version>
-		<spring-session-bom.version>Corn-RC1</spring-session-bom.version>
+		<spring-session-bom.version>Corn-BUILD-SNAPSHOT</spring-session-bom.version>
 		<spring-ws.version>3.0.7.RELEASE</spring-ws.version>
 		<sqlite-jdbc.version>3.28.0</sqlite-jdbc.version>
 		<sun-mail.version>${jakarta-mail.version}</sun-mail.version>