Update README.md to specify markdown formatting for example summary

MariusStorhaug · MariusStorhaug · commit 5097429f01b4 · 2025-04-17T12:24:21.000+02:00
diff --git a/README.md b/README.md
@@ -55,7 +55,8 @@ The action generates a detailed summary visible in the GitHub Actions UI:
    - **Analyzed Files**: List of covered files
 
 Example summary:
-```
+
+```markdown
 ✅ Code Coverage Report
 
 Summary:
