TUN-1734: Pin packages at exact versions

vendor/github.com/mattn/go-isatty/isatty_others.go

@@ -1,8 +1,13 @@
-// +build !windows
-// +build !appengine
+// +build appengine js
 
 package isatty
 
+// IsTerminal returns true if the file descriptor is terminal which
+// is always false on js and appengine classic which is a sandboxed PaaS.
+func IsTerminal(fd uintptr) bool {
+	return false
+}
+
 // IsCygwinTerminal() return true if the file descriptor is a cygwin or msys2
 // terminal. This is also always false on this environment.
 func IsCygwinTerminal(fd uintptr) bool {