Bump Spring (for internal tests)

Author: acogoluegnes

pom.xml

@@ -46,7 +46,7 @@
     <junit.jupiter.version>5.7.0</junit.jupiter.version>
     <mockito-core.version>3.7.7</mockito-core.version>
     <assertj.version>3.18.1</assertj.version>
-    <spring.version>5.3.3</spring.version>
+    <spring.version>5.3.4</spring.version>
 
     <maven.dependency.plugin.version>3.1.1</maven.dependency.plugin.version>
     <maven.compiler.plugin.version>3.8.1</maven.compiler.plugin.version>