docs[patch]: Add deprecation warnings to Google PaLM docs (#5696)

Author: bracesproul

docs/core_docs/docs/integrations/chat/google_palm.mdx

@@ -7,8 +7,12 @@ import CodeBlock from "@theme/CodeBlock";
 
 # ChatGooglePaLM
 
+:::warning
+The Google PaLM API is deprecated and will be removed in 0.3.0. Please use the [Google GenAI](/docs/integrations/chat/google_generativeai) or [VertexAI](/docs/integrations/chat/google_vertex_ai) integrations instead.
+:::
+
 :::note
-This integration does not support `gemini-*` models. Check Google [GenAI](/docs/integrations/chat/google_generativeai) or [VertexAI](/docs/integrations/chat/google_vertex_ai).
+This integration does not support `gemini-*` models. Check [Google GenAI](/docs/integrations/chat/google_generativeai) or [VertexAI](/docs/integrations/chat/google_vertex_ai).
 :::
 
 The [Google PaLM API](https://developers.generativeai.google/products/palm) can be integrated by first

docs/core_docs/docs/integrations/llms/google_palm.mdx

@@ -7,8 +7,12 @@ import CodeBlock from "@theme/CodeBlock";
 
 # Google PaLM
 
+:::warning
+The Google PaLM API is deprecated and will be removed in 0.3.0. Please use the [Google GenAI](/docs/integrations/chat/google_generativeai) or [VertexAI](/docs/integrations/llms/google_vertex_ai) integrations instead.
+:::
+
 :::note
-This integration does not support `gemini-*` models. Check [Google AI](/docs/integrations/chat/google_generativeai) or [VertexAI](/docs/integrations/llms/google_vertex_ai).
+This integration does not support `gemini-*` models. Check [Google GenAI](/docs/integrations/chat/google_generativeai) or [VertexAI](/docs/integrations/llms/google_vertex_ai).
 :::
 
 The [Google PaLM API](https://developers.generativeai.google/products/palm) can be integrated by first

docs/core_docs/docs/integrations/text_embedding/google_palm.mdx

@@ -6,8 +6,12 @@ import CodeBlock from "@theme/CodeBlock";
 
 # Google PaLM
 
+:::warning
+The Google PaLM API is deprecated and will be removed in 0.3.0. Please use the [Google GenAI](/docs/integrations/text_embedding/google_generativeai) integration instead.
+:::
+
 :::note
-This integration does not support `embeddings-*` model. Check [Google AI](/docs/integrations/text_embedding/google_generativeai) embeddings.
+This integration does not support `embeddings-*` model. Check [Google GenAI](/docs/integrations/text_embedding/google_generativeai) embeddings.
 :::
 
 The [Google PaLM API](https://developers.generativeai.google/products/palm) can be integrated by first