build(deps-dev): bump chai and @types/chai in /multisig

Bumps [chai](https://github.com/chaijs/chai) and [@types/chai](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/chai). These dependencies needed to be updated together.

Updates `chai` from 4.5.0 to 5.2.0
- [Release notes](https://github.com/chaijs/chai/releases)
- [Changelog](https://github.com/chaijs/chai/blob/main/History.md)
- [Commits](chaijs/chai@v4.5.0...v5.2.0)

Updates `@types/chai` from 4.3.20 to 5.2.2
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/chai)

---
updated-dependencies:
- dependency-name: chai
  dependency-version: 5.2.0
  dependency-type: direct:development
  update-type: version-update:semver-major
- dependency-name: "@types/chai"
  dependency-version: 5.2.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

multisig/package-lock.json

@@ -11,9 +11,9 @@
   },
   "devDependencies": {
     "@types/bn.js": "^5.1.0",
-    "@types/chai": "^4.3.0",
+    "@types/chai": "^5.2.2",
     "@types/mocha": "^9.0.0",
-    "chai": "^4.3.4",
+    "chai": "^5.2.0",
     "dotenv": "^16.5.0",
     "mocha": "^11.7.0",
     "prettier": "^2.6.2",