Bump viash-io/viash-actions from 5 to 6 (#24)

Bumps [viash-io/viash-actions](https://github.com/viash-io/viash-actions) from 5 to 6.
- [Release notes](https://github.com/viash-io/viash-actions/releases)
- [Changelog](https://github.com/viash-io/viash-actions/blob/main/CHANGELOG.md)
- [Commits](viash-io/viash-actions@v5...v6)

---
updated-dependencies:
- dependency-name: viash-io/viash-actions
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -44,7 +44,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: viash-io/viash-actions/setup@v5
+    - uses: viash-io/viash-actions/setup@v6
     - name: Viash ns test
       run: |
         viash ns test -s tests/integration/ -p docker --memory 1GB