chore: bump MongoDB Java driver to v5.10 - #129

Summary

• Updates the MongoDB Java Sync Driver from 5.9.0 to 5.10.0 in the Mflix Java Spring sample
• Updates various dependencies

Changes

• mflix/server/java-spring/pom.xml

  • bump spring-boot-starter-parent from 4.0.6 to 4.1.0
  • bump mongodb.version (MongoDB Java Sync Driver) from 5.9.0 to 5.10.0
  • bump springdoc.version from 3.0.3 to 3.1.0
  • bump langchain4j.version from 1.15.0-beta25 to 1.19.0-beta29

• mflix/server/java-spring/src/main/java/com/mongodb/samplemflix/config/ObjectMapperConfig.java — replace the manual ObjectMapper/JsonFactory beans with a Jackson2ObjectMapperBuilderCustomizer, since Spring Boot 4.1 no longer auto-wires a standalone JsonFactory bean the old way.

• mflix/server/java-spring/src/main/resources/application.properties — pin spring.http.converters.preferred-json-mapper=jackson2 so HTTP message conversion keeps using Jackson 2 (needed for the custom ObjectId serializer) instead of the new Jackson 3 default in Spring 4.1.

Test plan

• ./mvnw dependency:tree '-Dincludes=org.mongodb:*' resolves mongodb-driver-sync:5.10.0
• ./mvnw test — 93/93 tests pass (unit + MongoDB search integration tests against Atlas)

Tech Reviewer Suggestions

This report cross-references PR #129 against the MongoDB Java Driver 5.10.0 release notes. The PR bumps the driver from 5.9.0 to 5.10.0, along with a Spring Boot 4.0.6 → 4.1.0 bump that forced a collateral rewrite of the ObjectMapper configuration (Spring Boot 4.1 no longer autowires a standalone JsonFactory bean, and defaults HTTP JSON conversion to Jackson 3).

Confidence: medium. The driver version bump itself has no code changes to verify against (it's a dependency string), and the release notes show no breaking changes this app's code path depends on. Confidence is capped at medium because Mode B relies on release notes, not a diff.

Testing status: No code examples changed; PR description states 93/93 tests pass, including MongoDB search integration tests against Atlas.

Suggested areas of investigation:

• [Verify] The collateral Jackson2ObjectMapperBuilderCustomizer rewrite plus the new spring.http.converters.preferred-json-mapper=jackson2 property are unrelated to the driver bump but change how ObjectId/date serialization is wired. Check that these fully replicate the old ObjectMapper/JsonFactory bean behavior rather than just passing the existing test suite by coincidence.

Tech Reviewer Suggestions generated by the pr-coverage-check skill and reviewed by the author. These are suggestions and require human review.