Convert locale files from ini to json format (#35489)

Migrate from the current INI format to JSON for translations. JSON is
widely supported, including by platforms such as Crowdin and Weblate.

routers/web/user/setting/webhooks.go

@@ -20,7 +20,7 @@ const (
 
 // Webhooks render webhook list page
 func Webhooks(ctx *context.Context) {
-	ctx.Data["Title"] = ctx.Tr("settings")
+	ctx.Data["Title"] = ctx.Tr("settings_title")
 	ctx.Data["PageIsSettingsHooks"] = true
 	ctx.Data["BaseLink"] = setting.AppSubURL + "/user/settings/hooks"
 	ctx.Data["BaseLinkNew"] = setting.AppSubURL + "/user/settings/hooks"