feat: with tx on all

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/crunch-postgres/migrations/20231003181849_initial.sql

@@ -4,5 +4,5 @@ CREATE TABLE outbox (
     metadata JSONB NOT NULL,
     content BYTEA NOT NULL,
     inserted_time TIMESTAMPTZ NOT NULL DEFAULT now(),
-    state VARCHAR NOT NULL,
+    state VARCHAR NOT NULL
 );