[TASK] Exclude Sitemap from search

Additionally unskip the sitemap test as it is working again.

Author: linawolf

tests/Integration/tests-full/sitemap/expected/Sitemap.html

@@ -15,7 +15,7 @@
 <meta content="2023-01-01T12:00:00+00:00" name="dc.modified">
 <meta content="2023-01-01T12:00:00+00:00" property="article:modified_time">
 <meta name="x-typo3-indexer" content="noindex">
-    <meta name="robots" content="noindex, follow">    <link href="http://purl.org/dc/elements/1.1/" rel="schema.dc">
+    <meta name="robots" content="noindex">    <link href="http://purl.org/dc/elements/1.1/" rel="schema.dc">
 <link href="_resources/css/theme.css" rel="stylesheet">
 <link href="https://docs.typo3.org/search/" rel="search" title="Search">
 <script src="https://typo3.azureedge.net/typo3infrastructure/universe/dist/webcomponents-loader.js"></script>