fix(deps): update dependency dotenv-webpack to v8 (#357)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -51,7 +51,7 @@
     "css-loader": "5.2.7",
     "cssnano": "6.0.1",
     "dotenv": "8.6.0",
-    "dotenv-webpack": "7.1.1",
+    "dotenv-webpack": "8.0.1",
     "eslint": "8.39.0",
     "eslint-config-airbnb": "19.0.4",
     "eslint-config-airbnb-typescript": "^17.0.0",