Bump ko-build/setup-ko from 0.6 to 0.7

Bumps [ko-build/setup-ko](https://github.com/ko-build/setup-ko) from 0.6 to 0.7.
- [Release notes](https://github.com/ko-build/setup-ko/releases)
- [Commits](ko-build/setup-ko@v0.6...v0.7)

---
updated-dependencies:
- dependency-name: ko-build/setup-ko
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/publish.yaml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ needs.goversion.outputs.goversion }}
-      - uses: ko-build/setup-ko@v0.6
+      - uses: ko-build/setup-ko@v0.7
         name: Setup ko
       - name: Run ko publish for ghcr.io
         env: