Removed changelog entry for Workers AI, added release not for AutoRAG

Author: Naapperas

src/content/changelog/workers-ai/2025-09-23-document-conversion-support.mdx

@@ -7,6 +7,10 @@ entries:
     title: AI Search (formerly AutoRAG) now supports more models
     description: |-
       Connect your provider keys through AI Gateway to use models like from OpenAI and Anthropic for both embeddings and inference. API updates to align with the new name are coming soon, with existing APIs still supported.
+  - publish_date: "2025-09-23"
+    title: Support document file types in AutoRAG
+    description: |-
+      `.docx` and `.odt` files can now be converted to Markdown using our [conversion utility](/workers-ai/features/markdown-conversion/), making these files available to index inside your AutoRAG instance.
   - publish_date: "2025-08-20"
     title: Increased maximum query results to 50
     description: |-

src/content/release-notes/ai-search.yaml

@@ -13,7 +13,7 @@ entries:
   - publish_date: "2025-09-23"
     title: 'New document formats supported by Markdown conversion utility'
     description: |-
-      - `.docx` and `.odt` files are supported by our Markdown conversion utility, `toMarkdown`.
+      - `.docx` and `.odt` files are supported by our Markdown conversion utility, [`toMarkdown`](/workers-ai/features/markdown-conversion/).
   - publish_date: "2025-09-18"
     title: Model Catalog updates (types, EmbeddingGemma, model deprecation)
     description: |-