Fix typo

See gh-35369

spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/features/testing/testcontainers/atdevelopmenttime/importingcontainerdeclarations/MyContainers.java

@@ -23,7 +23,7 @@
 public interface MyContainers {
 
 	@Container
-	MongoDBContainer monogContainer = new MongoDBContainer("mongo:5.0");
+	MongoDBContainer mongoContainer = new MongoDBContainer("mongo:5.0");
 
 	@Container
 	Neo4jContainer<?> neo4jContainer = new Neo4jContainer<>("neo4j:5");