ci: missed env var

.github/workflows/run_test_cases.yaml

@@ -113,11 +113,15 @@ jobs:
         run: ./scripts/ct/run.sh --ci --app ${{ matrix.app }} --keep-up
 
       - name: make cover
+        env:
+          PROFILE: ${{ matrix.profile }}
         run: |
           docker exec -e PROFILE="$PROFILE" -t erlang make cover
 
       - name: send to coveralls
         if: github.repository == 'emqx/emqx'
+        env:
+          PROFILE: ${{ matrix.profile }}
         run: |
           ls _build/test/cover/*.coverdata || exit 0
           docker exec -e PROFILE="$PROFILE" -t erlang make coveralls