test(ci) Right can't use short circuit as it aborts the build.

Author: rouilj

.github/workflows/ci-test.yml

@@ -203,7 +203,7 @@ jobs:
       - name: Install python db libraries
         run: |
           pip install mysqlclient
-          [ "$PYTHON_VERSION" != "3.13" ] && pip install psycopg2
+          if [[ "$PYTHON_VERSION" != "3.13" ]]; then pip install psycopg2; fi
 
       - name: Install auxiliary packages
         run: |