feat: Enhance PR description formatting and update instructions in pr_description_prompts.toml

pr_agent/settings/pr_description_prompts.toml

@@ -5,6 +5,7 @@ Your task is to provide a full description for the PR content - title, type, des
 - Keep in mind that the 'Previous title', 'Previous description' and 'Commit messages' sections may be partial, simplistic, non-informative or out of date. Hence, compare them to the PR diff code, and use them only as a reference.
 - The generated title and description should prioritize the most significant changes.
 - If needed, each YAML output should be in block scalar indicator ('|-')
+- When quoting variables or names from the code, use backticks (`) instead of single quote (').
 
 {%- if extra_instructions %}
 

pr_agent/tools/pr_description.py

@@ -371,8 +371,9 @@ class PRDescription:
       <summary><strong>{filename_publish}</strong></summary>
       <ul>
         {filename}<br><br>
-        <strong>{file_change_description}</strong>
-      </ul>
+
+**{file_change_description}**
+</ul>
     </details>
   </td>
   <td><a href="{link}"> {diff_plus_minus}</a></td>