Fix CI buil&deploy: jobs is not a valid event name

Author: PierreRaybaut

.github/workflows/build_deploy.yml

@@ -6,7 +6,7 @@ on:
   #   types:
   #     - published
 
-  jobs:
+jobs:
   build_wheels:
     name: Build wheels on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}