Updated spring boot starter to 2.15.3

Author: esanchezros

pom.xml

@@ -36,6 +36,14 @@
 		</license>
 	</licenses>
 
+	<developers>
+		<developer>
+			<id>esanchezros</id>
+			<name>Eduardo Sanchez-Ros</name>
+			<email>esanchezros@yahoo.es</email>
+		</developer>
+	</developers>
+
 	<scm>
 		<url>https://github.com/esanchezros/quickfixj-spring-boot-starter-examples</url>
 		<connection>scm:git:git@github.com:esanchezros/quickfixj-spring-boot-starter-examples.git</connection>