(all): update removal in deprecation warnings from 0.2 to 0.3 (#21265)

We are pushing out the removal of these to 0.3.

`find . -type f -name "*.py" -exec sed -i ''
's/removal="0\.2/removal="0.3/g' {} +`

libs/community/langchain_community/embeddings/voyageai.py

@@ -61,7 +61,7 @@ def embed_with_retry(embeddings: VoyageEmbeddings, **kwargs: Any) -> Any:
 
 @deprecated(
     since="0.0.29",
-    removal="0.2",
+    removal="0.3",
     alternative_import="langchain_voyageai.VoyageAIEmbeddings",
 )
 class VoyageEmbeddings(BaseModel, Embeddings):