Bump actions/download-artifact from 2.1.0 to 3 (vmware-tanzu#225)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 2.1.0 to 3.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v2.1.0...v3)

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

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

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

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -197,7 +197,7 @@ jobs:
             help: "https://kind.sigs.k8s.io/docs/user/local-registry/"
         EOF
     - name: Download staged Service Bindings build
-      uses: actions/download-artifact@v2.1.0
+      uses: actions/download-artifact@v3
       with:
         name: service-bindings-bundle.tar
     - name: Install kapp-controller
@@ -365,7 +365,7 @@ jobs:
         release_name: Release ${{ github.ref }}
         draft: true
     - name: Download staged Service Bindings build
-      uses: actions/download-artifact@v2.1.0
+      uses: actions/download-artifact@v3
       with:
         name: service-bindings-bundle.tar
     - name: Relocate bundle to public registry