Update actions/download-artifact to v3.0.2

Fixes warnings about using `set-output`
actions/download-artifact#185

Signed-off-by: Fredrik Lönnegren <fredrik.lonnegren@suse.com>

Author: frelon

.github/workflows/e2e.yaml

@@ -80,7 +80,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Download chart
-        uses: actions/download-artifact@v3.0.0
+        uses: actions/download-artifact@v3.0.2
         with:
           name: chart
           path: build