Revert GitHub Actions workflow to use negated paths instead of paths-ignore for excluding KPI health check, Panel app, Hugging Face Spaces, and KPI analysis workflow files from Streamlit deployment triggers

.github/workflows/main.yml

@@ -14,11 +14,10 @@ on:
       - ".streamlit/**"
       - "requirements.txt"
       - "README.md"
-    paths-ignore:
-      - "process_kpi/kpi_health_check/**"
-      - "panel_app/**"
-      - "hf_spaces/**"
-      - ".github/workflows/kpi_analysis.yml"
+      - "!process_kpi/kpi_health_check/**"
+      - "!panel_app/**"
+      - "!hf_spaces/**"
+      - "!.github/workflows/kpi_analysis.yml"
 
   # to run this workflow manually from the Actions tab
   workflow_dispatch: