build(deps-dev): bump @polkadot/typegen in /creditcoin-js

Bumps [@polkadot/typegen](https://github.com/polkadot-js/api/tree/HEAD/packages/typegen) from 9.14.2 to 14.2.2.
- [Release notes](https://github.com/polkadot-js/api/releases)
- [Changelog](https://github.com/polkadot-js/api/blob/master/CHANGELOG.md)
- [Commits](https://github.com/polkadot-js/api/commits/v14.2.2/packages/typegen)

---
updated-dependencies:
- dependency-name: "@polkadot/typegen"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

creditcoin-js/package.json

@@ -21,7 +21,7 @@
         "test": "$npm_execpath example"
     },
     "devDependencies": {
-        "@polkadot/typegen": "9.14.2",
+        "@polkadot/typegen": "14.2.2",
         "@typescript-eslint/eslint-plugin": "^5.62.0",
         "@typescript-eslint/parser": "^5.62.0",
         "eslint": "^8.57.0",