Update build-and-publish-TestPyPI-dummy.yml

Author: sjpark608

.github/workflows/build-and-publish-TestPyPI-dummy.yml

@@ -95,6 +95,10 @@ jobs:
       matrix:
         python-version: ["3.9"]
     steps:
+      # Wait for 3 minutes for TestPyPI to be updated 
+      - name: Sleep for 3 minutes
+        run: sleep 180s
+        shell: bash
       - name: Checkout
         uses: actions/checkout@v3
         with: