fix: resources.PostCSS was deprecated in Hugo v0.128.0

Signed-off-by: Leonardo Cecchi <[email protected]>

Author: leonardoce

layouts/_default/baseof.html

@@ -15,7 +15,7 @@
   <link rel="preload" href="/fonts/Supreme-Variable.woff2" as="font" type="font/woff2" crossorigin="anonymous" />
   <link href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,700" rel="stylesheet" />
   {{- $styles := resources.Match "css/*.css" | resources.Concat "main.css" }}
-  {{- $styles = $styles | resources.PostCSS (dict "inlineImports" true) }}
+  {{- $styles = $styles | css.PostCSS (dict "inlineImports" true) }}
   {{- if hugo.IsProduction }}
   {{- $styles = $styles | minify }}
   {{- end }}