Update Spring framework to 6.1.19

Author: onobc

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ protobuf = "3.25.6"
 pulsar = "3.2.4"
 pulsar-reactive = "0.5.10"
 reactor = "2023.0.17"
-spring = "6.1.18"
+spring = "6.1.19"
 # tests
 assertj = "3.27.3"
 awaitility = "4.3.0"