Fix CI: update flapdoodle for Spring Boot 3, clean application.yaml

- Replace de.flapdoodle.embed.mongo with spring3x variant (4.12.2)
- Remove obsolete EmbeddedMongoAutoConfiguration exclude

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: drompincen

pom.xml

@@ -50,7 +50,8 @@
     </dependency>
     <dependency>
       <groupId>de.flapdoodle.embed</groupId>
-      <artifactId>de.flapdoodle.embed.mongo</artifactId>
+      <artifactId>de.flapdoodle.embed.mongo.spring3x</artifactId>
+      <version>4.12.2</version>
       <scope>test</scope>
     </dependency>
 

src/main/resources/application.yaml

@@ -1,9 +1,6 @@
 spring:
-  autoconfigure:
-    exclude: org.springframework.boot.autoconfigure.mongo.embedded.EmbeddedMongoAutoConfiguration
   data:
     mongodb:
-      # Use your local MongoDB URI for non-embedded operations
       uri: mongodb://localhost:27017/mongodiff
       auto-index-creation: false