Bump the github-actions group with 2 updates

Bumps the github-actions 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 4 to 5
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

Updates `actions/download-artifact` from 5 to 6
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: actions/download-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/kind.yml

@@ -45,7 +45,7 @@ jobs:
           make test-coverage
 
       - name: Upload Unit Test Coverage
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: coverage_unit
           path: coverage_unit.out
@@ -63,7 +63,7 @@ jobs:
           KUBECONFIG=${PWD}/kubeconfig_managed make e2e-test-running-in-cluster
 
       - name: Upload Uninstall Test Coverage
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: coverage_e2e_uninstall
           path: coverage_e2e_uninstall.out
@@ -114,7 +114,7 @@ jobs:
           KUBECONFIG=${PWD}/kubeconfig_managed make e2e-test-coverage
 
       - name: Upload E2E Test Coverage
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         if: ${{ matrix.kind == 'latest' }}
         with:
           name: coverage_e2e
@@ -167,7 +167,7 @@ jobs:
           KUBECONFIG=${PWD}/kubeconfig_managed make e2e-test-hosted-mode-coverage
 
       - name: Upload Hosted Mode Coverage
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         if: ${{ matrix.kind == 'latest' }}
         with:
           name: coverage_e2e_hosted_mode
@@ -220,7 +220,7 @@ jobs:
           KUBECONFIG=${PWD}/kubeconfig_managed make e2e-test-standalone-templates-coverage
 
       - name: Upload Hub Templates Enabled Coverage
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         if: ${{ matrix.kind == 'latest' }}
         with:
           name: coverage_e2e_hub_templates
@@ -253,7 +253,7 @@ jobs:
           go-version: 'stable'
 
       - name: Download Coverage Results
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           merge-multiple: true