Fix Grafana mdBook reference paths

Author: carlospolop

src/network-services-pentesting/pentesting-web/grafana.md

@@ -114,11 +114,11 @@ If output shows `uid=0(root)`, Grafana is running as root (common inside some co
 The 2025 Grafana client-side traversal and open-redirect chain is already documented in more generic client-side pages. Use those techniques against Grafana-specific paths such as plugin assets, dashboard script loaders, and token-rotation redirects:
 
 {{#ref}}
-../../../pentesting-web/client-side-path-traversal.md
+../../pentesting-web/client-side-path-traversal.md
 {{#endref}}
 
 {{#ref}}
-../../../pentesting-web/open-redirect.md
+../../pentesting-web/open-redirect.md
 {{#endref}}
 
 ## References