Begin moving to postgres spilo + adding pgvector (#8309)

We will remove the `twenty-postgres` image that was used for local
development and only use `twenty-postgres-pilo` (which we use in prod),
bringing the development environment closer to prod and avoiding having
to maintain 2 images.


Instead of provisioning the super user after the db initialization, we
directly rely on the superuser provided by Spilo for simplicity. We also
introduce a change that tries to create the right database (`default` or
`test`) based on the context.
  

How to test:
```
docker build -t twentycrm/twenty-postgres-spilo:latest -f ./packages/twenty-docker/twenty-postgres-spilo/Dockerfile .
docker images --no-trunc | grep twenty-postgres-spilo
postgres-on-docker:
	docker run \
	--name twenty_pg \
	-e PGUSER_SUPERUSER=twenty \
	-e PGPASSWORD_SUPERUSER=twenty \
	-e ALLOW_NOSSL=true \
	-v twenty_db_data:/home/postgres/pgdata \
	-p 5432:5432 \
	REPLACE_WITH_IMAGE_ID
```

.github/workflows/ci-website.yaml

@@ -17,12 +17,19 @@ jobs:
     runs-on: ubuntu-latest
     services:
       postgres:
-        image: twentycrm/twenty-postgres
+        image: twentycrm/twenty-postgres-spilo
         env:
-          POSTGRES_PASSWORD: twenty
-          POSTGRES_USER: twenty
+          PGUSER_SUPERUSER: postgres
+          PGPASSWORD_SUPERUSER: twenty
+          ALLOW_NOSSL: "true"
+          SPILO_PROVIDER: "local"
         ports:
           - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
     steps:
       - uses: actions/checkout@v4
         with:
@@ -37,16 +44,20 @@ jobs:
         if: steps.changed-files.outputs.changed == 'true' 
         uses: ./.github/workflows/actions/yarn-install
 
+      - name: Server / Create DB
+        if: steps.changed-files.outputs.any_changed == 'true'
+        run: PGPASSWORD=twenty psql -h localhost -p 5432 -U postgres -d postgres -c 'CREATE DATABASE "default";'
+
       - name: Website / Run migrations
         if: steps.changed-files.outputs.changed == 'true' 
         run: npx nx database:migrate twenty-website 
         env:
-          DATABASE_PG_URL: postgres://twenty:twenty@localhost:5432/default
+          DATABASE_PG_URL: postgres://postgres:twenty@localhost:5432/default
       - name: Website / Build Website
         if: steps.changed-files.outputs.changed == 'true' 
         run: npx nx build twenty-website
         env:
-          DATABASE_PG_URL: postgres://twenty:twenty@localhost:5432/default
+          DATABASE_PG_URL: postgres://postgres:twenty@localhost:5432/default
 
       - name: Mark as VALID
         if: steps.changed-files.outputs.changed != 'true'  # If no changes, mark as valid