chore(deps): Bump actions/download-artifact from 3 to 4

Bumps [actions/download-artifact](https://github.com/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/download-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/ci.yaml

@@ -184,7 +184,7 @@ jobs:
  with:
  go-version: 1.20.x
  - name: Download plugin bundle
- uses: actions/download-artifact@v3
+ uses: actions/download-artifact@v4
  with:
  name: tanzu-apps-plugin.tar.gz
  - name: Install tanzu cli
@@ -400,7 +400,7 @@ jobs:
  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
  steps:
  - name: Download staged CLI binaries${{ matrix.os-arch }}
- uses: actions/download-artifact@v3
+ uses: actions/download-artifact@v4
  with:
  name: tanzu-apps-plugin.tar.gz
  - name: Get release info