Bump the github-actions group across 1 directory with 2 updates

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


Updates `actions/upload-artifact` from 6 to 7
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6...v7)

Updates `actions/download-artifact` from 7 to 8
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v7...v8)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: actions/download-artifact
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/test.yaml

@@ -42,7 +42,7 @@ jobs:
 
       # Upload coverage to GitHub
       - run: gzip envtest.coverage
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         with:
           name: "~coverage~kubernetes-api=${{ matrix.kubernetes }}"
           path: envtest.coverage.gz
@@ -77,7 +77,7 @@ jobs:
 
       # Upload coverage to GitHub
       - run: gzip envtest-existing.coverage
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         with:
           name: "~coverage~kubernetes-k3d=${{ matrix.kubernetes }}"
           path: envtest-existing.coverage.gz
@@ -168,7 +168,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with: { go-version: stable }
-      - uses: actions/download-artifact@v7
+      - uses: actions/download-artifact@v8
         with: { path: download }
 
       # Combine the coverage profiles by taking the mode line from any one file
@@ -192,7 +192,7 @@ jobs:
 
       # Upload coverage to GitHub
       - run: gzip total-coverage.html
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         with:
           name: coverage-report=html
           path: total-coverage.html.gz