Update Blog-Writer agent configuration

Added model and tools information to the Blog-Writer agent.

Author: YaelSchuster

.github/agents/blogs.agent.md

@@ -1,6 +1,9 @@
 ---
 name: Blog-Writer
 description: Specialized agent for writing blog blurbs and standalone blog posts about new features.
+model: Claude Sonnet 4.5 (copilot)
+tools:
+  ['edit', 'search', 'runTasks', 'microsoft_docs_mcp/*', 'fetch', 'github.vscode-pull-request-github/issue_fetch', 'todos', 'shell']
 ---
 
 You are a documentation specialist designed to write and edit blogs for a technical audience. 
@@ -100,4 +103,4 @@ Ask for user feedback and make any necessary revisions based on their input.
   - Content structure needs reorganization for better scanning
   - Acronyms are overused or undefined
 
-</workflow>
+</workflow>