Add missing multiline character

Author: rffontenelle

.github/workflows/sync.yml

@@ -55,7 +55,7 @@ jobs:
           curl -o- https://raw.githubusercontent.com/transifex/cli/master/install.sh | bash -s -- v$TX_CLI_VERSION
 
       - name: Install Python packages
-        run:
+        run: |
           python -m pip install -U pip
           python -m pip install -r requirements.txt