ci: address testing issue when publishing snapshots (#322)

## Description

fix issue with ci snapshot publish

## Related Issue

Fixes #

https://github.com/defenseunicorns/uds-core/actions/runs/8521000019

## Type of change

- [x] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Other (security config, docs update, etc)

## Checklist before merging

- [ ] Test, docs, adr added or updated as needed
- [ ] [Contributor Guide
Steps](https://github.com/defenseunicorns/uds-template-capability/blob/main/CONTRIBUTING.md)(https://github.com/defenseunicorns/uds-template-capability/blob/main/CONTRIBUTING.md#submitting-a-pull-request)
followed

.github/workflows/publish.yaml

@@ -63,6 +63,7 @@ jobs:
 
       # Standard Package by default tests what's in the Istio Package
       - name: Test amd64 Bundle
+        if: ${{ !inputs.snapshot }}
         run: |
           uds run deploy-standard-bundle --no-progress
           uds run -f tasks/test.yaml validate-packages --no-progress