move concurrently to dev dependencies

Author: cedric07

package.json

@@ -18,7 +18,6 @@
   "license": "GPL-2.0",
   "dependencies": {
     "@fontsource/poppins": "^5.0.5",
-    "concurrently": "^8.2.2",
     "lazysizes": "^5.3.2",
     "oneloop.js": "^5.0.0",
     "what-input": "^5.2.10"
@@ -32,6 +31,7 @@
     "browser-sync": "^2.27.10",
     "browser-sync-webpack-plugin": "^2.3.0",
     "clean-webpack-plugin": "^4.0.0-alpha.0",
+    "concurrently": "^8.2.2",
     "css-loader": "^5.2.4",
     "cssnano": "^5.0.1",
     "esbuild-loader": "^2.19.0",