Update dependency org.springframework:spring-framework-bom to v7.0.0-RC3

Author: renovate[bot]

gradle/libs.versions.toml

@@ -14,7 +14,7 @@ slf4j = '2.1.0-alpha1'
 logback = '1.5.20'
 
 javafxplugin = '0.1.0'
-spring = '7.0.0-RC2'
+spring = '7.0.0-RC3'
 springframework-boot = '3.5.7'
 spring-dependency-management = '1.1.7'
 javafx = '26-ea+13'