Update hugo version in dev builds

Author: mattstratton

netlify.toml

@@ -7,7 +7,7 @@
    publish = "exampleSite/dist/"
 
 [context.production.environment]
-   HUGO_VERSION = "0.23"
+   HUGO_VERSION = "0.30.2"
 
 # Deploy Preview context: All Deploy Previews
 # will inherit these settings.
@@ -17,7 +17,7 @@
 
 
 [context.deploy-preview.environment]
-  HUGO_VERSION = "0.23"
+  HUGO_VERSION = "0.30.2"
 
 [context.branch-deploy.environment]
-  HUGO_VERSION = "0.23"
+  HUGO_VERSION = "0.30.2"