docs: update integrity sha

Author: mrholek

docs/layouts/partials/stylesheet.html

@@ -2,7 +2,7 @@
 {{ if eq .Page.Params.direction "rtl" -}}
 <link href="/dist/css/coreui.rtl.min.css" rel="stylesheet" {{ printf "integrity=%q" .Site.Params.cdn_pro.css_pro_rtl_hash | safeHTMLAttr }}>
 {{- else -}}
-<link href="/dist/css/coreui.min.css" rel="stylesheet" {{ printf "integrity=%q" .Site.Params.cdn.css_pro_hash | safeHTMLAttr }}>
+<link href="/dist/css/coreui.min.css" rel="stylesheet" {{ printf "integrity=%q" .Site.Params.cdn_pro.css_pro_hash | safeHTMLAttr }}>
 {{- end -}}
 
 {{- else -}}