v0.2.0 toml-only, harden concurrency and env export, dep updates

ownership_other.go

@@ -0,0 +1,12 @@
+//go:build !unix
+
+package config
+
+import (
+	"fmt"
+	"os"
+)
+
+func checkFileOwner(os.FileInfo) error {
+	return wrapError(ErrFileAccess, fmt.Errorf("file ownership checks are unsupported on this platform"))
+}