fix: update grype configuration (#1777)

## Description

CVE-2025-0395 flagged in our upstream container images an causes CI to
fail. While we wait on a fix, we've opted to ignore this finding so that
CI pipelines are unblocked. We'll remove this suppression within 60 days
(see #1778).

End to End Test:  <!-- if applicable -->  
(See [Pepr Excellent
Examples](https://github.com/defenseunicorns/pepr-excellent-examples))

## Related Issue

hotfix

## Type of change

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

## Checklist before merging
- [x] Unit,
[Journey](https://github.com/defenseunicorns/pepr/tree/main/journey),
[E2E Tests](https://github.com/defenseunicorns/pepr-excellent-examples),
[docs](https://github.com/defenseunicorns/pepr/tree/main/docs),
[adr](https://github.com/defenseunicorns/pepr/tree/main/adr) added or
updated as needed
- [x] [Contributor Guide
Steps](https://docs.pepr.dev/main/contribute/#submitting-a-pull-request)
followed

.github/workflows/container-scan.yaml

@@ -38,7 +38,7 @@ jobs:
         run: |
           mkdir -p ~/.grype
           echo "ignore:" > ~/.grype.yaml
-          echo "  - vulnerability: GHSA-3xgq-45jj-v275" >> ~/.grype.yaml
+          echo "  - vulnerability: CVE-2025-0395" >> ~/.grype.yaml
       - name: Vulnerability Scan
         uses: anchore/scan-action@7c05671ae9be166aeb155bad2d7df9121823df32 # v6.1.0
         with: