chore(deps): bump actions/download-artifact from 3 to 4 (#428)

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/master-beta-ci.yml

@@ -144,7 +144,7 @@ jobs:
 
             # Download the digests from the artifacts
             - name: Download digests
-              uses: actions/download-artifact@v3
+              uses: actions/download-artifact@v4
               with:
                   name: digests_ghcr
                   path: /tmp/digests

.github/workflows/nightly-ci.yml

@@ -141,7 +141,7 @@ jobs:
 
       # Download the digests from the artifacts
       - name: Download digests
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: digests_ghcr
           path: /tmp/digests