Update Go version to 1.21.6

See [the release history](https://go.dev/doc/devel/release#go1.21.6.
arnested · Jan 9, 2024 · ca8eb4a · ca8eb4a
1 parent 2b577a8
commit ca8eb4a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/go.mod b/go.mod
@@ -1,6 +1,6 @@
 module ldddns.arnested.dk
 
-go 1.21
+go 1.21.6
 
 require (
 	github.com/Microsoft/go-winio v0.6.1 // indirect