ci: fix artifacts upload for linux build

.github/workflows/build_packages.yaml

@@ -295,7 +295,7 @@ jobs:
     - uses: actions/upload-artifact@v3
       with:
         name: ${{ matrix.profile }}-${{ matrix.otp }}
-        path: source/_packages/${{ matrix.profile }}/.
+        path: source/_packages/${{ matrix.profile }}/
 
   publish_artifacts:
     runs-on: ubuntu-20.04