Update nightly-workflow.yml

Author: monikakonieczna

.github/workflows/nightly-workflow.yml

@@ -1,7 +1,7 @@
 name: Nightly Workflow
 on:
   schedule:
-    - cron: '0 0 * * *'
+    - cron: '0 0 1 * *'
 
 jobs:
   test:
@@ -30,4 +30,4 @@ jobs:
         if: always()
         with:
           name: test-results
-          path: test-report.html
+          path: test-report.html