fix: remove the strict need for express deps, closes #656

Author: felixmosh

packages/express/package.json

@@ -30,8 +30,8 @@
   "dependencies": {
     "@bull-board/api": "5.10.1",
     "@bull-board/ui": "5.10.1",
-    "ejs": "3.1.7",
-    "express": "4.17.3"
+    "ejs": "^3.1.7",
+    "express": "^4.17.3"
   },
   "devDependencies": {
     "@types/ejs": "^3.0.6",