Merge pull request #671 from devopsdays/update-hugo-50

Update hugo to 0.50

Author: mattstratton

netlify.toml

@@ -9,10 +9,10 @@
   command = "bin/netlify.sh"
 
 [context.production.environment]
-   HUGO_VERSION = "0.46"
+   HUGO_VERSION = "0.50"
 
 [context.deploy-preview.environment]
-  HUGO_VERSION = "0.46"
+  HUGO_VERSION = "0.50"
 
 [context.branch-deploy.environment]
-  HUGO_VERSION = "0.46"
+  HUGO_VERSION = "0.50"