fix: package.json to reduce vulnerabilities

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

Author: snyk-bot

package.json

@@ -46,7 +46,7 @@
     "lodash": "^4.17.21",
     "node-fetch": "2.6.7",
     "swagger-client": "^3.18.5",
-    "webpack": "^5.0.0"
+    "webpack": "^5.76.0"
   },
   "engines": {
     "node": ">=10.0.0"