chore: bump @types/chai from 4.2.20 to 4.2.21 in /web3.js (#18540)

Bumps [@types/chai](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/chai) from 4.2.20 to 4.2.21.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/chai)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

web3.js/package-lock.json

@@ -3620,9 +3620,9 @@
       }
     },
     "node_modules/@types/chai": {
-      "version": "4.2.20",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.20.tgz",
-      "integrity": "sha512-E121rHk/4BlcEwANZOwcHl8L/Sl0zyIFXJoyggXkl7FCT/4MTf5u25f+qiphe0V5ELaFIkCptgvbf4whCJUVMA==",
+      "version": "4.2.21",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.21.tgz",
+      "integrity": "sha512-yd+9qKmJxm496BOV9CMNaey8TWsikaZOwMRwPHQIjcOJM9oV+fi9ZMNw3JsVnbEEbo2gRTDnGEBv8pjyn67hNg==",
       "dev": true
     },
     "node_modules/@types/chai-as-promised": {
@@ -22697,9 +22697,9 @@
       }
     },
     "@types/chai": {
-      "version": "4.2.20",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.20.tgz",
-      "integrity": "sha512-E121rHk/4BlcEwANZOwcHl8L/Sl0zyIFXJoyggXkl7FCT/4MTf5u25f+qiphe0V5ELaFIkCptgvbf4whCJUVMA==",
+      "version": "4.2.21",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.21.tgz",
+      "integrity": "sha512-yd+9qKmJxm496BOV9CMNaey8TWsikaZOwMRwPHQIjcOJM9oV+fi9ZMNw3JsVnbEEbo2gRTDnGEBv8pjyn67hNg==",
       "dev": true
     },
     "@types/chai-as-promised": {