DashScope: Add new embedding model "text-embedding-v3"

[jiangsier-xyz]

Change

Add new embedding model "text-embedding-v3", witch supports 50+ languages.
Note that the maximum batch size for text-embedding-v3 has been reduced to 6.

General checklist

• There are no breaking changes
• I have added unit and integration tests for my change
• I have manually run all the unit and integration tests in the module I have added/changed, and they are all green
• I have manually run all the unit and integration tests in the core and main modules, and they are all green

[langchain4j]

@jiangsier-xyz thank you!