Start building against Spring Framework 6.1.0-M4 snapshots

Author: snicoll

gradle.properties

@@ -6,7 +6,7 @@ org.gradle.jvmargs=-Xmx2g -Dfile.encoding=UTF-8
 
 kotlinVersion=1.9.0
 nativeBuildToolsVersion=0.9.23
-springFrameworkVersion=6.1.0-M3
+springFrameworkVersion=6.1.0-SNAPSHOT
 tomcatVersion=10.1.11
 
 kotlin.stdlib.default.dependency=false