Update Spring version from 7.0.2 to 6.2.15

Author: newtork

pom.xml

@@ -98,7 +98,7 @@
 		<!-- Spring dependencies -->
 		<!-- Keep these versions consistent with the ones from the SAP Java Buildpack (after their 2.0 release) -->
 		<!-- see https://github.wdf.sap.corp/xs2-java/xs-java-buildpack/blob/master/resources/pom.xml -->
-		<spring.version>7.0.2</spring.version>
+		<spring.version>6.2.15</spring.version>
 		<spring-security.version>6.1.5</spring-security.version>
 		<slf4j.version>2.0.17</slf4j.version>
 		<assertj-core.version>3.27.6</assertj-core.version>