adding support of "amazon.titan-embed-text-v2:0" (#735)

* adding support of "amazon.titan-embed-text-v2:0"

* rectifying the format

---------

Co-authored-by: Massimiliano Pippi <[email protected]>

Author: jdixosnd

integrations/amazon_bedrock/src/haystack_integrations/components/embedders/amazon_bedrock/document_embedder.py

@@ -16,7 +16,12 @@
 
 logger = logging.getLogger(__name__)
 
-SUPPORTED_EMBEDDING_MODELS = ["amazon.titan-embed-text-v1", "cohere.embed-english-v3", "cohere.embed-multilingual-v3"]
+SUPPORTED_EMBEDDING_MODELS = [
+    "amazon.titan-embed-text-v1",
+    "cohere.embed-english-v3",
+    "cohere.embed-multilingual-v3",
+    "amazon.titan-embed-text-v2:0",
+]
 
 
 @component
@@ -51,7 +56,12 @@ class AmazonBedrockDocumentEmbedder:
 
     def __init__(
         self,
-        model: Literal["amazon.titan-embed-text-v1", "cohere.embed-english-v3", "cohere.embed-multilingual-v3"],
+        model: Literal[
+            "amazon.titan-embed-text-v1",
+            "cohere.embed-english-v3",
+            "cohere.embed-multilingual-v3",
+            "amazon.titan-embed-text-v2:0",
+        ],
         aws_access_key_id: Optional[Secret] = Secret.from_env_var("AWS_ACCESS_KEY_ID", strict=False),  # noqa: B008
         aws_secret_access_key: Optional[Secret] = Secret.from_env_var(  # noqa: B008
             "AWS_SECRET_ACCESS_KEY", strict=False

integrations/amazon_bedrock/src/haystack_integrations/components/embedders/amazon_bedrock/text_embedder.py

@@ -14,7 +14,12 @@
 
 logger = logging.getLogger(__name__)
 
-SUPPORTED_EMBEDDING_MODELS = ["amazon.titan-embed-text-v1", "cohere.embed-english-v3", "cohere.embed-multilingual-v3"]
+SUPPORTED_EMBEDDING_MODELS = [
+    "amazon.titan-embed-text-v1",
+    "cohere.embed-english-v3",
+    "cohere.embed-multilingual-v3",
+    "amazon.titan-embed-text-v2:0",
+]
 
 
 @component
@@ -44,7 +49,12 @@ class AmazonBedrockTextEmbedder:
 
     def __init__(
         self,
-        model: Literal["amazon.titan-embed-text-v1", "cohere.embed-english-v3", "cohere.embed-multilingual-v3"],
+        model: Literal[
+            "amazon.titan-embed-text-v1",
+            "cohere.embed-english-v3",
+            "cohere.embed-multilingual-v3",
+            "amazon.titan-embed-text-v2:0",
+        ],
         aws_access_key_id: Optional[Secret] = Secret.from_env_var("AWS_ACCESS_KEY_ID", strict=False),  # noqa: B008
         aws_secret_access_key: Optional[Secret] = Secret.from_env_var(  # noqa: B008
             "AWS_SECRET_ACCESS_KEY", strict=False