Update mongo example to last boot version

examples/mongo-db-demo-new-mongock/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.5.5</version>
+        <version>2.6.2</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 

examples/mongo-db-demo-new-mongock/src/test/resources/application.yml

@@ -1,4 +1,7 @@
 spring:
+  mongodb:
+    embedded:
+      version: 3.5.5
   data:
     mongodb:
       port: 0