install packer before run e2e test in case we need packer

.github/workflows/e2e.yaml

@@ -34,7 +34,7 @@ jobs:
           export ARM_TENANT_ID=$(az login --identity --username $MSI_ID | jq -r '.[0] | .tenantId')
           ARM_CLIENT_ID=$(az identity list | jq -r --arg MSI_ID "$MSI_ID" '.[] | select(.principalId == $MSI_ID) | .clientId')
           export CHANGED_FOLDERS="${{ steps.changed-files.outputs.all_changed_files }}"
-          docker run --rm -v $(pwd):/src -w /src/test --network=host -e MSI_ID -e ARM_SUBSCRIPTION_ID -e ARM_TENANT_ID -e ARM_CLIENT_ID -e ARM_USE_MSI=true -e CHANGED_FOLDERS mcr.microsoft.com/azterraform:latest sh -c "go mod tidy && go test -timeout=360m -v ./e2e"
+          docker run --rm -v $(pwd):/src -w /src/test --network=host -e MSI_ID -e ARM_SUBSCRIPTION_ID -e ARM_TENANT_ID -e ARM_CLIENT_ID -e ARM_USE_MSI=true -e CHANGED_FOLDERS mcr.microsoft.com/azterraform:latest sh -c "pkenv install 1.10.2 && go mod tidy && go test -timeout=360m -v ./e2e"
       - uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 #v3.1.3
         with:
           name: TestRecord-${{ github.event.number }}