Update module github.com/spf13/cobra to v1.2.1

Author: renovate-bot

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/andybalholm/brotli v1.0.3
 	github.com/dop251/goja v0.0.0-20210614154742-14a1ffa82844
 	github.com/gomarkdown/markdown v0.0.0-20210514010506-3b9f47219fe7
-	github.com/spf13/cobra v1.1.3
+	github.com/spf13/cobra v1.2.1
 	github.com/tdewolff/minify/v2 v2.9.18
 	github.com/tliron/kutil v0.1.41
 	gocloud.dev v0.23.0