4.0.0 com.ankurm legacy-1x 0 pom 1.1.0 org.springframework.ai spring-ai-bom ${spring-ai.version} pom import org.springframework.ai spring-ai-openai-spring-boot-starter org.springframework.ai spring-ai-pgvector-store-spring-boot-starter org.springframework.ai spring-ai-pdf-document-reader