Bump ko-build/setup-ko from 0.6 to 0.7 (#747)

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

.github/workflows/kind-e2e.yaml

@@ -27,7 +27,7 @@ jobs:
     steps:
 
     - uses: knative/actions/setup-go@main
-    - uses: ko-build/setup-ko@v0.6
+    - uses: ko-build/setup-ko@v0.7
 
     - uses: chainguard-dev/actions/setup-kind@main
       with: