Update yarn dependencies

package.json

@@ -3,34 +3,34 @@
   "devDependencies": {
     "@sitegeist/es-neos-stylelint": "^2.0.2",
     "@sitegeist/eslint-config-es-neos-eslint": "^2.0.2",
-    "@types/css-minimizer-webpack-plugin": "^1.1.1",
-    "@types/jest": "^26.0.20",
-    "@types/mini-css-extract-plugin": "^1.2.2",
-    "@types/node": "^14.14.31",
-    "@types/terser-webpack-plugin": "^5.0.2",
-    "autoprefixer": "^10.2.4",
+    "@types/css-minimizer-webpack-plugin": "^1.1.3",
+    "@types/jest": "^26.0.22",
+    "@types/mini-css-extract-plugin": "^1.2.3",
+    "@types/node": "^14.14.36",
+    "@types/terser-webpack-plugin": "^5.0.3",
+    "autoprefixer": "^10.2.5",
     "browserslist": "^4.16.3",
-    "css-loader": "^5.1.1",
-    "css-minimizer-webpack-plugin": "^1.2.0",
-    "eslint": "^7.21.0",
+    "css-loader": "^5.2.0",
+    "css-minimizer-webpack-plugin": "^1.3.0",
+    "eslint": "^7.22.0",
     "glob": "^7.1.6",
     "jest": "^26.6.3",
     "mini-css-extract-plugin": "^1.3.9",
-    "node": "^14",
-    "postcss": "^8.2.6",
+    "node": "^15.10.0",
+    "postcss": "^8.2.8",
     "postcss-custom-media": "^8.0.0",
     "postcss-discard-duplicates": "^4.0.2",
-    "postcss-loader": "^5.0.0",
+    "postcss-loader": "^5.2.0",
     "postcss-media-minmax": "^5.0.0",
     "postcss-mixins": "^7.0.3",
     "postcss-modules": "^4.0.0",
     "precss": "^4.0.0",
-    "stylelint": "^13.11.0",
-    "ts-jest": "^26.5.2",
-    "ts-loader": "^8.0.17",
+    "stylelint": "^13.12.0",
+    "ts-jest": "^26.5.4",
+    "ts-loader": "^8.0.18",
     "ts-node": "^9.1.1",
-    "typescript": "^4.2.2",
-    "webpack": "^5.24.2",
+    "typescript": "^4.2.3",
+    "webpack": "^5.28.0",
     "webpack-cli": "^4.5.0"
   },
   "scripts": {