build(deps): bump github.com/urfave/cli/v2 from 2.25.7 to 2.26.0

Bumps [github.com/urfave/cli/v2](https://github.com/urfave/cli) from 2.25.7 to 2.26.0.
- [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/v2.25.7...v2.26.0)

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

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

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

@@ -69,7 +69,7 @@ var helpCommand = &Command{
 		}
 
 		// Case 3, 5
-		if (len(cCtx.Command.Subcommands) == 1 && !cCtx.Command.HideHelp) ||
+		if (len(cCtx.Command.Subcommands) == 1 && !cCtx.Command.HideHelp && !cCtx.Command.HideHelpCommand) ||
 			(len(cCtx.Command.Subcommands) == 0 && cCtx.Command.HideHelp) {
 			templ := cCtx.Command.CustomHelpTemplate
 			if templ == "" {
@@ -376,17 +376,26 @@ func printHelpCustom(out io.Writer, templ string, data interface{}, customFuncs
 
 	w := tabwriter.NewWriter(out, 1, 8, 2, ' ', 0)
 	t := template.Must(template.New("help").Funcs(funcMap).Parse(templ))
-	t.New("helpNameTemplate").Parse(helpNameTemplate)
-	t.New("usageTemplate").Parse(usageTemplate)
-	t.New("descriptionTemplate").Parse(descriptionTemplate)
-	t.New("visibleCommandTemplate").Parse(visibleCommandTemplate)
-	t.New("copyrightTemplate").Parse(copyrightTemplate)
-	t.New("versionTemplate").Parse(versionTemplate)
-	t.New("visibleFlagCategoryTemplate").Parse(visibleFlagCategoryTemplate)
-	t.New("visibleFlagTemplate").Parse(visibleFlagTemplate)
-	t.New("visibleGlobalFlagCategoryTemplate").Parse(strings.Replace(visibleFlagCategoryTemplate, "OPTIONS", "GLOBAL OPTIONS", -1))
-	t.New("authorsTemplate").Parse(authorsTemplate)
-	t.New("visibleCommandCategoryTemplate").Parse(visibleCommandCategoryTemplate)
+	templates := map[string]string{
+		"helpNameTemplate":                  helpNameTemplate,
+		"usageTemplate":                     usageTemplate,
+		"descriptionTemplate":               descriptionTemplate,
+		"visibleCommandTemplate":            visibleCommandTemplate,
+		"copyrightTemplate":                 copyrightTemplate,
+		"versionTemplate":                   versionTemplate,
+		"visibleFlagCategoryTemplate":       visibleFlagCategoryTemplate,
+		"visibleFlagTemplate":               visibleFlagTemplate,
+		"visibleGlobalFlagCategoryTemplate": strings.Replace(visibleFlagCategoryTemplate, "OPTIONS", "GLOBAL OPTIONS", -1),
+		"authorsTemplate":                   authorsTemplate,
+		"visibleCommandCategoryTemplate":    visibleCommandCategoryTemplate,
+	}
+	for name, value := range templates {
+		if _, err := t.New(name).Parse(value); err != nil {
+			if os.Getenv("CLI_TEMPLATE_ERROR_DEBUG") != "" {
+				_, _ = fmt.Fprintf(ErrWriter, "CLI TEMPLATE ERROR: %#v\n", err)
+			}
+		}
+	}
 
 	err := t.Execute(w, data)
 	if err != nil {
@@ -415,6 +424,9 @@ func checkVersion(cCtx *Context) bool {
 }
 
 func checkHelp(cCtx *Context) bool {
+	if HelpFlag == nil {
+		return false
+	}
 	found := false
 	for _, name := range HelpFlag.Names() {
 		if cCtx.Bool(name) {
@@ -426,24 +438,6 @@ func checkHelp(cCtx *Context) bool {
 	return found
 }
 
-func checkCommandHelp(c *Context, name string) bool {
-	if c.Bool("h") || c.Bool("help") {
-		_ = ShowCommandHelp(c, name)
-		return true
-	}
-
-	return false
-}
-
-func checkSubcommandHelp(cCtx *Context) bool {
-	if cCtx.Bool("h") || cCtx.Bool("help") {
-		_ = ShowSubcommandHelp(cCtx)
-		return true
-	}
-
-	return false
-}
-
 func checkShellCompleteFlag(a *App, arguments []string) (bool, []string) {
 	if !a.EnableBashCompletion {
 		return false, arguments