Change LIMIT for text-to-topic query #2441

Test on GitHub often fails when trying to setup the data for the text-to-topic
function. By reducing the data the error could possibly be avoided.

scholia/text.py

@@ -50,7 +50,7 @@
           wdt:P921 [] .
   }
   # The arbitratry limit here is to avoid timeout
-  LIMIT 200000
+  LIMIT 100000
 } AS %works
 WITH {
   SELECT DISTINCT ?topic WHERE {