build(deps-dev): bump @firebase/auth-types from 0.11.1 to 0.12.0

Bumps [@firebase/auth-types](https://github.com/firebase/firebase-js-sdk/tree/HEAD/packages/auth-types) from 0.11.1 to 0.12.0.
- [Release notes](https://github.com/firebase/firebase-js-sdk/releases)
- [Changelog](https://github.com/firebase/firebase-js-sdk/blob/master/packages/auth-types/CHANGELOG.md)
- [Commits](https://github.com/firebase/firebase-js-sdk/commits/@firebase/auth-types@0.12.0/packages/auth-types)

---
updated-dependencies:
- dependency-name: "@firebase/auth-types"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -213,7 +213,7 @@
     "@firebase/api-documenter": "^0.3.0",
     "@firebase/app-compat": "^0.2.1",
     "@firebase/auth-compat": "^0.3.1",
-    "@firebase/auth-types": "^0.11.0",
+    "@firebase/auth-types": "^0.12.0",
     "@microsoft/api-extractor": "^7.11.2",
     "@types/bcrypt": "^5.0.0",
     "@types/chai": "^4.0.0",