chore(npm deps-dev): Bump @dfinity/auth-client from 2.1.2 to 2.1.3

Bumps [@dfinity/auth-client](https://github.com/dfinity/agent-js/tree/HEAD/packages/auth-client) from 2.1.2 to 2.1.3.
- [Release notes](https://github.com/dfinity/agent-js/releases)
- [Changelog](https://github.com/dfinity/agent-js/blob/main/docs/CHANGELOG.md)
- [Commits](https://github.com/dfinity/agent-js/commits/v2.1.3/packages/auth-client)

---
updated-dependencies:
- dependency-name: "@dfinity/auth-client"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -17,7 +17,7 @@
     "src/example-frontend"
   ],
   "devDependencies": {
-    "@dfinity/auth-client": "^2.1.2",
+    "@dfinity/auth-client": "^2.1.3",
     "@dfinity/identity": "^2.0.0",
     "prettier": "^3.3.2",
     "prettier-plugin-organize-imports": "^4.1.0",