Update publish-chart.yaml

Author: jnywong

.github/workflows/publish-chart.yaml

@@ -5,12 +5,6 @@ name: Publish chart
 
 # Trigger the workflow on pushed tags or commits to main branch.
 on:
-  pull_request:
-    paths-ignore:
-      - "docs/**"
-      - "**.md"
-      - ".github/workflows/*"
-      - "!.github/workflows/publish-chart.yaml"
   push:
     paths-ignore:
       - "docs/**"