actually bump version in code >.<

main.go

@@ -130,7 +130,7 @@ type entropyRange struct {
 }
 
 const defaultGithubURL = "https://api.github.com/"
-const version = "1.20.0"
+const version = "1.21.0"
 const errExit = 2
 const leakExit = 1
 const defaultConfig = `