fix(deps): update dependency typeorm-extension to v0.3.0 (#285)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

example/express-typeorm/package.json

@@ -48,7 +48,7 @@
     "pg": "8.7.1",
     "reflect-metadata": "0.1.13",
     "typeorm": "0.2.37",
-    "typeorm-extension": "0.2.9",
+    "typeorm-extension": "0.3.0",
     "typeorm-store": "2.0.0"
   }
 }