chore(medusa,medusa-cli): Clean up new command + fix CI (#4214)

* chore(workflows): Use default starter template in action

* Use postgres by default in new

* Add skip DB flag

* Create thirty-tomatoes-hug.md

* address PR comments

.changeset/thirty-tomatoes-hug.md

@@ -0,0 +1,6 @@
+---
+"@medusajs/medusa-cli": patch
+"@medusajs/medusa": patch
+---
+
+chore(medusa,medusa-cli): Clean up new command + fix CI