go.mod: bump to Go 1.24.3
diff --git a/go.mod b/go.mod
index f89d1c0..b8073b1 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module sketch.dev
 
-go 1.24.2
+go 1.24.3
 
 require (
 	github.com/chromedp/chromedp v0.13.6