feat: update netlify to hugo version 1.56.0

Author: kreczko

doc/netlify.toml

@@ -1,6 +1,6 @@
 [build.environment]
   PYTHON_VERSION = "3.13"
-  HUGO_VERSION = "0.152.2"
+  HUGO_VERSION = "0.156.0"
   DART_SASS_VERSION = "1.93.2"
   DART_SASS_URL = "https://github.com/sass/dart-sass/releases/download/"