docs: clarify Hugo version

README.md

@@ -81,7 +81,7 @@ You can choose from one of the following four methods to install:
 Prerequisites:
 
 * [Download and install Git](https://git-scm.com/downloads)
-* [Download and install Hugo v0.55.2+](https://gohugo.io/getting-started/installing/#quick-install)
+* [Download and install Hugo Extended v0.55.6+](https://gohugo.io/getting-started/installing/#quick-install)
 
 Install:
 
@@ -104,7 +104,7 @@ Install:
 
 Prerequisites:
 
-* [Download and install Hugo v0.55.2+](https://gohugo.io/getting-started/installing/#quick-install)
+* [Download and install Hugo Extended v0.55.6+](https://gohugo.io/getting-started/installing/#quick-install)
 
 Install:
 

netlify.toml

@@ -5,7 +5,7 @@
 
 [build.environment]
   HUGO_THEME = "repo"
-  HUGO_VERSION = "0.55.2"
+  HUGO_VERSION = "0.55.6"
   HUGO_ENABLEGITINFO = "true"
 
 [context.production.environment]