Bump ko-build/setup-ko from 0.7 to 0.8

Bumps [ko-build/setup-ko](https://github.com/ko-build/setup-ko) from 0.7 to 0.8.
- [Release notes](https://github.com/ko-build/setup-ko/releases)
- [Commits](ko-build/setup-ko@v0.7...v0.8)

---
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/ci.yml

@@ -82,7 +82,7 @@ jobs:
           cache: true
           check-latest: true
       - name: Install Ko
-        uses: ko-build/setup-ko@v0.7
+        uses: ko-build/setup-ko@v0.8
         with:
           version: v0.17.1
       - name: Install kubectl
@@ -218,7 +218,7 @@ jobs:
           kubectl apply -f test/data/registry.yaml
           kubectl -n registry rollout status deployment registry --timeout=1m
       - name: Install Ko
-        uses: ko-build/setup-ko@v0.7
+        uses: ko-build/setup-ko@v0.8
         with:
           version: v0.17.1
       - name: Install Shipwright Build

.github/workflows/nightly.yaml

@@ -27,7 +27,7 @@ jobs:
         check-latest: true
 
     # Install tools
-    - uses: ko-build/setup-ko@v0.7
+    - uses: ko-build/setup-ko@v0.8
       with:
         version: v0.17.1
     - uses: imjasonh/setup-crane@31b88efe9de28ae0ffa220711af4b60be9435f6e

.github/workflows/release.yaml

@@ -42,7 +42,7 @@ jobs:
         check-latest: true
 
     # Install tools
-    - uses: ko-build/setup-ko@v0.7
+    - uses: ko-build/setup-ko@v0.8
       with:
         version: v0.17.1
     - uses: sigstore/cosign-installer@v3

.github/workflows/report-release-vulnerabilities.yaml

@@ -29,7 +29,7 @@ jobs:
       - name: Install dyff
         run: curl --silent --location https://raw.githubusercontent.com/homeport/dyff/main/scripts/download-latest.sh | bash
       - name: Install Ko
-        uses: ko-build/setup-ko@v0.7
+        uses: ko-build/setup-ko@v0.8
         with:
           version: v0.17.1
       - name: Install Retry