disable aws related steps if pr run

Author: srprash

.github/actions/artifacts_build/action.yml

@@ -44,6 +44,7 @@ runs:
         run_unit_tests: true
 
     - name: Configure AWS Credentials
+      if: github.event_name != 'pull_request'
       uses: aws-actions/configure-aws-credentials@v4
       with:
         role-to-assume: ${{ inputs.snapshot-ecr-role }}
@@ -65,6 +66,7 @@ runs:
       uses: docker/setup-buildx-action@v3
 
     - name: Login to AWS ECR
+      if: github.event_name != 'pull_request'
       uses: docker/login-action@v3
       with:
         registry: ${{ inputs.image_registry }}