Add suuport for AWS Bedrock Cohere embedding

[kerlion]

Description

I missed 2 changed files in last PR, change 2 files, and added 2 files. Added support below 2 Cohere embedings.

• cohere.embed-english-v3
• cohere.embed-multilingual-v3

Fixes # (issue)

Type of Change

Please delete options that are not relevant.

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update, included: Dify Document
• [ ] Improvement, including but not limited to code refactoring, performance optimization, and UI/UX improvement
• [ ] Dependency upgrade

How Has This Been Tested?

Tested in my docer ENV Dify 0.6.2.

• [ ] TODO

Suggested Checklist:

• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] My changes generate no new warnings
• [x] I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods
• [ ] optional I have made corresponding changes to the documentation
• [ ] optional I have added tests that prove my fix is effective or that my feature works
• [ ] optional New and existing unit tests pass locally with my changes

[crazywoola]

Please fix the lint error. :)

[kerlion]

Please fix the lint error. :)

I have fixed the import order.

[kerlion]

Please fix the lint error. :)

Hi, the Bedrock Cohere name is a little different from Cohere name. I have tested it before , everything works fine.

[kerlion]

Please fix the lint error. :)

We cannot do the change like that, I tested it with name like xxxv3.0 today, it will reprot below error.

Arguments: (InvokeError(),) [2024-04-15 07:46:11,295: ERROR/MainProcess] consume document failed Traceback (most recent call last): File "/app/api/core/model_runtime/model_providers/bedrock/text_embedding/text_embedding.py", line 226, in _invoke_bedrock_embedding response = bedrock_runtime.invoke_model( File "/usr/local/lib/python3.10/site-packages/botocore/client.py", line 535, in _api_call return self._make_api_call(operation_name, kwargs) File "/usr/local/lib/python3.10/site-packages/botocore/client.py", line 983, in _make_api_call raise error_class(parsed_response, operation_name) botocore.errorfactory.ResourceNotFoundException: An error occurred (ResourceNotFoundException) when calling the InvokeModel operation: Could not resolve the foundation model from the provided model identifier.

[kerlion]

@guchenhe, @crazywoola PLS review it.