ci scripts: MIN_TOKEN_IN_CORPUS -> KORAP_MIN_TOKENS_IN_CORPUS

Change-Id: I5d644f5d932348a702c26da74a319f2c6b49e42b
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6632f6b..2553efc 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,7 +8,7 @@
   # Default test configuration
   KORAP_URL: "https://korap.ids-mannheim.de/"
   KORAP_QUERIES: 'geht, [orth=geht & tt/p="VVFIN"]'
-  MIN_TOKEN_IN_CORPUS: "22000000000"
+  KORAP_MIN_TOKENS_IN_CORPUS: "22000000000"
   LC_ALL: "C"
   
   # Node.js configuration