chore(deps): update actions/upload-artifact digest to a8a3f3a (#40)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build_container.yaml

@@ -97,7 +97,7 @@ jobs:
           outputs: type=docker,dest=/tmp/${{ env.IMAGE_NAME }}-image.tar
 
       - name: Upload image as artifact
-        uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce # v3
+        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3
         with:
           name: ${{ env.IMAGE_NAME }}-image.tar
           path: /tmp/${{ env.IMAGE_NAME }}-image.tar