Update all devDependencies

package.json

@@ -33,17 +33,17 @@
   ],
   "dependencies": {
     "bootstrap": "^4.5.3",
-    "bootstrap-icons": "^1.0.0",
+    "bootstrap-icons": "^1.2.2",
     "jquery": "^3.5.1",
     "popper.js": "^1.16.1"
   },
   "devDependencies": {
-    "autoprefixer": "^10.0.1",
-    "node-sass": "^4.14.1",
-    "nodemon": "^2.0.5",
-    "postcss": "^8.1.1",
-    "postcss-cli": "^8.1.0",
-    "purgecss": "^3.0.0",
+    "autoprefixer": "^10.2.0",
+    "node-sass": "^5.0.0",
+    "nodemon": "^2.0.7",
+    "postcss": "^8.2.3",
+    "postcss-cli": "^8.3.1",
+    "purgecss": "^3.1.3",
     "serve": "^11.3.2"
   }
 }