Upload benchmark results to GitHub Action artifacts

Author: Konstantin Gukov

.github/workflows/ci.yml

@@ -87,7 +87,10 @@ jobs:
       - uses: actions/upload-artifact@v2
         with:
           name: py${{ matrix.python-version }}_${{ matrix.platform || matrix.os }}.svg
-          path: benchmark_*.svg
+          path: dtparse/**/benchmark_*.svg
+
+      - name: debug the action
+        uses: lhotari/action-upterm@v1
 
       - name: build windows 32bit binaries
         if: matrix.os == 'windows'