chore(): drop old peer deps

Author: kamilmysliwiec

package.json

@@ -16,7 +16,7 @@
     "test": "jest"
   },
   "peerDependencies": {
-    "@nestjs/common": "^6.0.0 || ^7.0.0 || ^8.0.0 || ^9.0.0",
+    "@nestjs/common": "^8.0.0 || ^9.0.0",
     "passport": "^0.4.0 || ^0.5.0 || ^0.6.0"
   },
   "devDependencies": {