Updated Spring Boot to 2.1.6

Author: naturalprogrammer

pom.xml

@@ -15,7 +15,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.1.2.RELEASE</version>
+		<version>2.1.6.RELEASE</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>