chore: removed n8n-core and other unused packages from devDependencies. added "n8n-workflow" into peerDependencies

Author: umanamente

package.json

@@ -45,21 +45,21 @@
     "@semantic-release/git": "^10.0.1",
     "@semantic-release/npm": "^12.0.1",
     "@semantic-release/release-notes-generator": "^14.0.1",
-    "@types/express": "^4.17.21",
     "@types/imapflow": "^1.0.19",
     "@types/mailparser": "^3.4.4",
-    "@types/request-promise-native": "~1.0.21",
     "@typescript-eslint/parser": "~7.17",
     "conventional-changelog-conventionalcommits": "^8.0.0",
     "cross-env": "^7.0.3",
     "eslint-plugin-n8n-nodes-base": "^1.16.1",
     "gulp": "^5.0.0",
-    "n8n-core": "*",
     "n8n-workflow": "*",
     "prettier": "^3.3.3",
     "semantic-release": "^24.0.0",
     "typescript": "~5.5.4"
   },
+  "peerDependencies": {
+    "n8n-workflow": "*"
+  },
   "dependencies": {
     "imapflow": "^1.0.164",
     "mailparser": "^3.7.1"