build(deps): bump github.com/urfave/cli from 1.22.14 to 1.22.16

Bumps [github.com/urfave/cli](https://github.com/urfave/cli) from 1.22.14 to 1.22.16.
- [Release notes](https://github.com/urfave/cli/releases)
- [Changelog](https://github.com/urfave/cli/blob/main/docs/CHANGELOG.md)
- [Commits](https://github.com/urfave/cli/compare/v1.22.14...v1.22.16)

---
updated-dependencies:
- dependency-name: github.com/urfave/cli
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/cpuguy83/go-md2man/v2/md2man/md2man.go

@@ -1,14 +1,23 @@
 package md2man
 
 import (
+	"os"
+	"strconv"
+
 	"github.com/russross/blackfriday/v2"
 )
 
 // Render converts a markdown document into a roff formatted document.
 func Render(doc []byte) []byte {
 	renderer := NewRoffRenderer()
+	var r blackfriday.Renderer = renderer
+	if v, _ := strconv.ParseBool(os.Getenv("MD2MAN_DEBUG")); v {
+		r = &debugDecorator{Renderer: r}
+	}
 
 	return blackfriday.Run(doc,
-		[]blackfriday.Option{blackfriday.WithRenderer(renderer),
-			blackfriday.WithExtensions(renderer.GetExtensions())}...)
+		[]blackfriday.Option{
+			blackfriday.WithRenderer(r),
+			blackfriday.WithExtensions(renderer.GetExtensions()),
+		}...)
 }