specified version in spring-boot-maven-plugin

Signed-off-by: Jack Blower <[email protected]>

Author: Giuseppe Falco-Scampatelli

java/pom.xml

@@ -245,6 +245,7 @@
       <plugin>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-maven-plugin</artifactId>
+        <version>${spring.boot.version}</version>
       </plugin>
       <plugin>
         <groupId>org.jacoco</groupId>