Bump the artifact-io group with 2 updates (#92)

Bumps the artifact-io group with 2 updates: [actions/upload-artifact](https://github.com/actions/upload-artifact) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `actions/upload-artifact` from 3 to 4
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

Updates `actions/download-artifact` from 3 to 4
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v3...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: artifact-io
- dependency-name: actions/download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: artifact-io
...

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

.github/workflows/ci.yml

@@ -76,7 +76,7 @@ jobs:
           outputs: type=docker,dest=/tmp/image.tar
 
       - name: Upload base docker image as artifact for e2e tests
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: controller-image
           path: /tmp/image.tar
@@ -152,7 +152,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Download docker image artifact from docker job
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: controller-image
           path: /tmp