Revert "Start building against Spring Framework 5.3.28 snapshots"

This reverts commit 546c0e0.

See gh-35293

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=5.3.28-SNAPSHOT
+springFrameworkVersion=5.3.27
 tomcatVersion=9.0.74
 
 kotlin.stdlib.default.dependency=false