Bump MCP to 0.12.0-SNAPSHOT#4286

Kehrlann wants to merge 1 commit intospring-projects:mainspring-projects/spring-ai:mainfrom

Kehrlann:dgarnier/bump-mcp-0120-snapshotKehrlann/spring-ai:dgarnier/bump-mcp-0120-snapshotCopy head branch name to clipboard