fix(framework): migration scripts regexp (#11072)

FIXES FRMW-2879

**What**
The exclusion regexp was broken and instead use the ignore options of the glob sync function to properly ignore definition files

packages/medusa/src/commands/plugin/db/generate.ts

@@ -62,7 +62,7 @@ async function getEntitiesForModule(path: string) {
   const entities = [] as any[]
 
   const entityPaths = glob.sync(join(path, "models", "*.ts"), {
-    ignore: ["**/index.{js,ts}"],
+    ignore: ["**/index.{js,ts}", "**/*.d.ts"],
   })
 
   for (const entityPath of entityPaths) {