remove dumb check

.gitea/workflows/test.yml

@@ -7,7 +7,6 @@ env:
   GOPROXY: https://goproxy.io,direct
   GOPATH: /home/rootless/go_path
   GOCACHE: /home/rootless/go_cache
-  CGO_ENABLED: "1"
 
 jobs:
   lint:

main.go

@@ -21,10 +21,6 @@ func main() {
 	tag := gha.GetInput("tag")
 	if tag == "" {
 		tag = ctx.Ref
-	} 
-
-	if !strings.HasPrefix(tag, "refs/tags/") {
-		gha.Fatalf("ref %s is not a tag", tag)
 	}
 
 	files := gha.GetInput("files")