A few changes to the action workflow file (#539)

Author: zylxjtu

.github/workflows/helm-chart-validation.yaml

@@ -7,14 +7,10 @@ on:
     branches: [main, master]
     paths:
       - helpers/helm/**
-      - helpers/hpc-mutating-webhook/**
-      - helpers/hyper-v-mutating-webhook/**
   pull_request:
     branches: [main, master] 
     paths:
       - helpers/helm/**
-      - helpers/hpc-mutating-webhook/**
-      - helpers/hyper-v-mutating-webhook/**
       - .github/workflows/helm-chart-validation.yaml
   workflow_dispatch:
 

.github/workflows/webhook-build.yaml

@@ -37,7 +37,7 @@ jobs:
           echo "Both webhook images built successfully!"
 
       - name: Build and push webhook images to registry
-        if: ${{ github.event_name == 'push' }}
+        if: ${{ github.event_name != 'pull_request' }}
         run: |
           echo "Building and pushing both webhook images to registry..."
           echo "${{ secrets.DOCKER_SECRET }}" | docker login -u ${{ secrets.DOCKER_USERNAME }} --password-stdin