fix layout of report meta tags

Author: strtgbb

.github/actions/create_workflow_report/ci_run_report.html.jinja

@@ -5,6 +5,9 @@
   <meta http-equiv="content-type" content="text/html; charset=UTF-8">
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  {%- if is_preview %}
+  <meta http-equiv="Cache-Control" content="max-age=300">
+  {%- endif %}
   <style>
     /* Base colors for Altinity */
     :root {