Bump imjasonh/setup-ko from 0.4 to 0.5 (#704)

Bumps [imjasonh/setup-ko](https://github.com/imjasonh/setup-ko) from 0.4 to 0.5.
- [Release notes](https://github.com/imjasonh/setup-ko/releases)
- [Commits](ko-build/setup-ko@2c3450c...78eea08)

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

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

.github/workflows/verify-k8s.yml

@@ -70,7 +70,7 @@ jobs:
         with:
           go-version: ${{ env.GOVERSION }}
 
-      - uses: imjasonh/setup-ko@2c3450ca27f6e6f2b02e72a40f2163c281a1f675 # v0.4
+      - uses: imjasonh/setup-ko@78eea08f10db87a7a23a666a4a6fe2734f2eeb8d # v0.4
 
       - name: Setup Cluster
         uses: chainguard-dev/actions/setup-kind@84c993eaf02da1c325854fb272a4df9184bd80fc # main