chore(deps): update dependency go to v1.25.4

renovate[bot] · codello · commit db7f9a5cb2ec · 2025-11-06T12:20:01.000+01:00
diff --git a/go.mod b/go.mod
@@ -1,6 +1,6 @@
 module codello.dev/elphi-calendar
 
-go 1.25.3
+go 1.25.4
 
 require (
 	github.com/arran4/golang-ical v0.3.2
