build: use 1.N.P notation for go toolchain

buchdag · web-flow · commit ae25caa2189e · 2024-05-01T13:58:03.000+02:00
diff --git a/go.mod b/go.mod
@@ -1,6 +1,6 @@
 module github.com/nginx-proxy/docker-gen
 
-go 1.21
+go 1.21.0
 
 require (
 	github.com/BurntSushi/toml v1.3.2
