Fixing up code block delimeters for asciidoctor

You can now successfully run the docs through asciidoctor

docs/reference/query-dsl/filters/script-filter.asciidoc

@@ -41,7 +41,7 @@ to use the ability to pass parameters to the script itself, for example:
         }
     }
 }
----------------------------------------------------
+----------------------------------------------
 
 [float]
 ==== Caching

docs/reference/setup/dir-layout.asciidoc

@@ -42,4 +42,4 @@ Or the in an array format:
 
 ----------------------------------------
 path.data: ["/mnt/first", "/mnt/second"]
----------------------------------
+----------------------------------------