release-notes: update release-notes.mdx

Shorten each release note entry so that every bullet is a single concise sentence, truncating after the first comma where needed while keeping grammar correct, per the instructions.

Author: sg-doc-holiday[bot]

release-notes.mdx

@@ -10,7 +10,7 @@ slug: "/release-notes"
 
 - Updated AI Assistant terminology and settings to match the current OpenOps edition.
 - Added Claude Opus 4.5 model support across Anthropic and Vertex AI providers.
-- Introduced database token authentication support for OpenOps Tables, enabling secure token-based access from workflows and applications.
+- Introduced database token authentication support for OpenOps Tables.
 
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@@ -21,7 +21,7 @@ slug: "/release-notes"
 
 ## ✨
 
-- Refined step name generation to use alphabetical indexing, improving workflow readability.
+- Refined step name generation to use alphabetical indexing.
 - Improved OpenOps Tables lookups to use explicit server/project context and database token authentication for consistent, correctly scoped table access.
 - Added `npm audit` security checks to the CI pipeline to catch vulnerable dependencies automatically.
 - Deferred encryption key loading to improve startup performance.