[Snyk] Security upgrade webpack from 5.75.0 to 5.76.0 (#3)

fix: package.json & package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-WEBPACK-3358798

Co-authored-by: snyk-bot <[email protected]>

Author: FS-github-snyk

package-lock.json

@@ -34,7 +34,7 @@
     "remark-preset-lint-markdown-style-guide": "^5.1.0",
     "remark-preset-lint-recommended": "^6.1.0",
     "superagent": "^6.1.0",
-    "webpack": "^5.74.0",
+    "webpack": "^5.76.0",
     "webpack-cli": "^4.8.0",
     "yaml-lint": "^1.7.0"
   },