build(deps-dev): bump dotenv from 16.4.5 to 17.2.1 in /tools/waffle-example (#4065)

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Author: dependabot[bot]

tools/waffle-example/package-lock.json

@@ -7,7 +7,7 @@
   "type": "commonjs",
   "devDependencies": {
     "chai": "^5.1.1",
-    "dotenv": "^16.4.5",
+    "dotenv": "^17.2.1",
     "ethereum-waffle": "^4.0.10",
     "mocha": "^10.8.2"
   },