docs: add text language tag to topology code fence (MD040)

sriramveeraghanta · sriramveeraghanta · commit bd97f856cded · 2026-05-22T20:45:10.000+05:30
diff --git a/docs/self-hosting/govern/high-availability.md b/docs/self-hosting/govern/high-availability.md
@@ -102,7 +102,7 @@ env:
 
 ## Recommended topology
 
-```
+```text
                      ┌──────────────────────────┐
                      │   External Load Balancer │
                      │   (cross-zone enabled)   │
