Update module github.com/flosch/pongo2/v5 to v6

Author: renovate[bot]

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/boombuler/barcode v1.1.0
 	github.com/chromedp/cdproto v0.0.0-20250521201632-aadd49e0822c
 	github.com/chromedp/chromedp v0.13.6
-	github.com/flosch/pongo2/v5 v5.0.0
+	github.com/flosch/pongo2/v6 v6.0.0
 	github.com/flosch/pongo2/v6 v6.0.0
 	github.com/gofiber/fiber/v2 v2.52.10
 	github.com/google/uuid v1.6.0