ci: fix test_db recursive copy

.gitlab-ci.yml

@@ -37,10 +37,10 @@ test_db:
   needs: [deps, check_types, check_style]
   dependencies: [deps]
   before_script:
-    - mkdir ${CI_COMMIT_SHA}
-    - cp -r ./* ${CI_COMMIT_SHA}/
+    - mkdir ../${CI_COMMIT_SHA}
+    - cp -r ./* ../${CI_COMMIT_SHA}/
   script:
-    - cd ${CI_COMMIT_SHA}
+    - cd ../${CI_COMMIT_SHA}
     - npx supabase db diff -f dummy_migration
     - git add -N supabase/migrations
     - >