changing engine name to canonical

Signed-off-by: Emanuel Calvo <[email protected]>

.github/workflows/release.yml

@@ -30,7 +30,7 @@ jobs:
           pip install -r requirements.txt
   
       - name: execute artifact_builder
-        run: python artifact_builder -D sql -O index.json -E postgres
+        run: python artifact_builder -D sql -O index.json -E postgresql
 
       - name: Extract tag name
         id: tag