Fix conditional usage within pipefail in CCI

Author: spalladino

.circleci/config.yml

@@ -878,9 +878,13 @@ jobs:
           name: "Require released code"
           command: |
             LAST_TAG="aztec-packages-v$(jq -r '.["."]' .release-please-manifest.json)"
-            git ls-remote --tags origin | grep -q "$LAST_TAG" && echo "Using code released from $LAST_TAG" || { echo "Skipping as $LAST_TAG is not yet published" && exit 0; }
-            echo "INCLUDE_RELEASED_CODE=1" >> docs/.env
-            git fetch origin --refetch --no-filter refs/tags/$LAST_TAG:refs/tags/$LAST_TAG
+            if git ls-remote --tags origin | grep "$LAST_TAG" > /dev/null; then
+              echo "Using code released from $LAST_TAG"
+              echo "INCLUDE_RELEASED_CODE=1" >> docs/.env
+              git fetch origin --refetch --no-filter refs/tags/$LAST_TAG:refs/tags/$LAST_TAG
+            else
+              echo "Skipping as $LAST_TAG is not yet published"
+            fi
       - run:
           name: "Build docs"
           command: build docs