Upgrade to Spring Framework 5.3.30

Closes gh-37249

Author: snicoll

gradle.properties

@@ -5,7 +5,7 @@ org.gradle.parallel=true
 org.gradle.jvmargs=-Xmx2g -Dfile.encoding=UTF-8
 
 kotlinVersion=1.6.21
-springFrameworkVersion=5.3.30-SNAPSHOT
+springFrameworkVersion=5.3.30
 tomcatVersion=9.0.80
 
 kotlin.stdlib.default.dependency=false