chore(deps): bump actions/download-artifact from 4 to 6 (#1908)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4 to 6.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/v4...v6)

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

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

.github/workflows/build-test-deploy.yaml

@@ -74,7 +74,7 @@ jobs:
         with:
           version: v1.31.2-k3s1
       - name: Download preflight binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: preflight
           path: bin/
@@ -104,7 +104,7 @@ jobs:
         with:
           version: v1.31.2-k3s1
       - name: Download support bundle binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: support-bundle
           path: bin/
@@ -118,13 +118,13 @@ jobs:
      steps:
       - uses: actions/checkout@v5
       - name: Download support bundle binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: support-bundle
           path: bin/
       - run: chmod +x bin/support-bundle
       - name: Download preflight binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           name: preflight
           path: bin/

.github/workflows/build-test.yaml

@@ -126,7 +126,7 @@ jobs:
         with:
           version: v1.31.2-k3s1
 
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v6
         with:
           name: binaries
           path: bin/