Bump github.com/urfave/cli/v2 from 2.25.1 to 2.25.7

Bumps [github.com/urfave/cli/v2](https://github.com/urfave/cli) from 2.25.1 to 2.25.7.
- [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/v2.25.1...v2.25.7)

---
updated-dependencies:
- dependency-name: github.com/urfave/cli/v2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

vendor/github.com/urfave/cli/v2/help.go

@@ -42,6 +42,7 @@ var helpCommand = &Command{
 		// 3 $ app foo
 		// 4 $ app help foo
 		// 5 $ app foo help
+		// 6 $ app foo -h (with no other sub-commands nor flags defined)
 
 		// Case 4. when executing a help command set the context to parent
 		// to allow resolution of subsequent args. This will transform
@@ -77,6 +78,8 @@ var helpCommand = &Command{
 			HelpPrinter(cCtx.App.Writer, templ, cCtx.Command)
 			return nil
 		}
+
+		// Case 6, handling incorporated in the callee itself
 		return ShowSubcommandHelp(cCtx)
 	},
 }
@@ -206,9 +209,15 @@ func printFlagSuggestions(lastArg string, flags []Flag, writer io.Writer) {
 
 func DefaultCompleteWithFlags(cmd *Command) func(cCtx *Context) {
 	return func(cCtx *Context) {
-		if len(os.Args) > 2 {
-			lastArg := os.Args[len(os.Args)-2]
+		var lastArg string
 
+		// TODO: This shouldnt depend on os.Args rather it should
+		// depend on root arguments passed to App
+		if len(os.Args) > 2 {
+			lastArg = os.Args[len(os.Args)-2]
+		}
+
+		if lastArg != "" {
 			if strings.HasPrefix(lastArg, "-") {
 				if cmd != nil {
 					printFlagSuggestions(lastArg, cmd.Flags, cCtx.App.Writer)
@@ -292,8 +301,12 @@ func ShowSubcommandHelp(cCtx *Context) error {
 	if cCtx == nil {
 		return nil
 	}
-
-	HelpPrinter(cCtx.App.Writer, SubcommandHelpTemplate, cCtx.Command)
+	// use custom template when provided (fixes #1703)
+	templ := SubcommandHelpTemplate
+	if cCtx.Command != nil && cCtx.Command.CustomHelpTemplate != "" {
+		templ = cCtx.Command.CustomHelpTemplate
+	}
+	HelpPrinter(cCtx.App.Writer, templ, cCtx.Command)
 	return nil
 }