build(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] <[email protected]>

.github/workflows/azure-e2e-test.yml

@@ -217,7 +217,7 @@ jobs:
           echo "CLUSTER_NAME=${{ format(env.CLUSTER_NAME_TEMPLATE, matrix.parameters.id) }}" >> "$GITHUB_ENV"
 
     - name: Restore the configuration created before
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: e2e-configuration
 

.github/workflows/caa_build_and_push_per_arch.yaml

@@ -135,7 +135,7 @@ jobs:
           ref: "${{ inputs.git_ref }}"
 
       - name: Download release commits file
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: image-artifacts
           path: src/cloud-api-adaptor

.github/workflows/e2e_libvirt.yaml

@@ -77,7 +77,7 @@ jobs:
 
       - name: Get the install directory
         if: ${{ inputs.install_directory_artifact != '' }}
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: ${{ inputs.install_directory_artifact }}
           path: src/cloud-api-adaptor/install