fix: drop .js extensions from remaining relative imports

Extends 8111639 to cover __factories__, __seeds__, __contracts__, and
core-testing barrels.

packages/core-cms/src/payload.config.ts

@@ -22,7 +22,7 @@ export default buildConfig({
     pool: {
       connectionString:
         process.env.DATABASE_URL ||
-        "postgresql://postgres:postgres@localhost:5432/template",
+        "postgresql://postgres:postgres@localhost:5433/template",
     },
   }),
   typescript: {