refer new year's checks

stgm · stgm · commit 9013b1e52b37 · 2021-09-29T20:31:27.000+02:00
diff --git a/filter/less/submit.yml b/filter/less/submit.yml
@@ -4,4 +4,4 @@ files:
     - helpers.c
 check:
   tool: check50
-  slug: minprog/cs50x/2020/filter/less
+  slug: minprog/cs50x/2021/filter/less
