Update to Smarty 5.7.0

Fix tests for translations, where missing in the po/mo files
Add original and post translation for compare for outside and inside smarty translation

Update documentation and only keep the git update path, the others are deprecated

Update phpunit to v11 and update tests according to this, including updated test template data file

Add the tools folder to git ignore

test/includes/templates/frontend/test.simple.tpl

@@ -18,6 +18,8 @@ BASE: {$BASE}<br>
 </div>
 <div>
 	<b>Outside translation test</b><br>
+	TRANSLATED ORIGINAL: {$TRANSLATED_ORIGINAL}<br>
+	TRANSLATED REPLACED: {$TRANSLATED_REPLACED}<br>
 	TRANSLATION CLASS (OUT): {$TRANSLATE_TEST}<br>
 	TRANSLATION CLASS (OUT FUNCTION): {$TRANSLATE_TEST_FUNCTION}<br>
 	TRANSLATION CLASS (SMARTY): {$TRANSLATE_TEST_SMARTY}<br>
@@ -25,6 +27,7 @@ BASE: {$BASE}<br>
 <div>
 	<b>Translate Test with replace:</b><br>
 	ORIGINAL: Original with string: %1 ({$replace})<br>
+	TRANSLATED: Translated with string: %1 ({$replace})<br>
 	TRANSLATED: {t 1=$replace}Original with string: %1{/t}<br>
 	TRANSLATED (escape): {t escape=on 1=$replace}Original with string: %1{/t}<br>
 	{capture assign="extra_title"}{t}INPUT TEST{/t}{/capture}