build: [Snyk] Upgrade dotenv from 16.4.5 to 16.4.7 (#3364)

fix: upgrade dotenv from 16.4.5 to 16.4.7

Snyk has created this PR to upgrade dotenv from 16.4.5 to 16.4.7.

See this package in npm:
dotenv

See this project in Snyk:
https://app.snyk.io/org/json-rpc-relay/project/9e95a688-4e8c-4400-bbd9-181a47c69778?utm_source=github&utm_medium=referral&page=upgrade-pr

Signed-off-by: Logan Nguyen <[email protected]>
Co-authored-by: snyk-bot <[email protected]>

Author: swirlds-automation

tools/web3js-example/package-lock.json

@@ -9,7 +9,7 @@
   "author": "",
   "license": "Apache-2.0",
   "dependencies": {
-    "dotenv": "^16.4.5",
+    "dotenv": "^16.4.7",
     "web3": "^4.16.0"
   },
   "devDependencies": {