build(deps): bump actions/download-artifact from 5.0.0 to 6.0.0

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@634f93c...018cc2c)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

action.yml

@@ -96,7 +96,7 @@ runs:
 
     - name: Download cache artifact for cm repo
       id: download-cache-for-cm-repo
-      uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
+      uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
       if: ${{ env.SKIP_GIT_CLONE == 'true' && fromJSON(fromJSON(inputs.client_payload)).hasCmRepo == true }}
       continue-on-error: true
       with:
@@ -108,7 +108,7 @@ runs:
 
     - name: Download cache artifact when cmRepo is false
       id: download-cache
-      uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
+      uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
       if: ${{ env.SKIP_GIT_CLONE == 'true' && fromJSON(fromJSON(inputs.client_payload)).hasCmRepo == false}}
       continue-on-error: true
       with: