chore(deps): update dependency dotenv to v16.4.5

Author: renovate[bot]

plugin/package.json

@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "@types/node-fetch": "2.6.1",
-    "dotenv": "16.0.0"
+    "dotenv": "16.4.5"
   },
   "keywords": [
     "netlify",