Bump googleauth from 1.8.1 to 1.9.0

Bumps [googleauth](https://github.com/googleapis/google-auth-library-ruby) from 1.8.1 to 1.9.0.
- [Release notes](https://github.com/googleapis/google-auth-library-ruby/releases)
- [Changelog](https://github.com/googleapis/google-auth-library-ruby/blob/main/CHANGELOG.md)
- [Commits](googleapis/google-auth-library-ruby@googleauth/v1.8.1...googleauth/v1.9.0)

---
updated-dependencies:
- dependency-name: googleauth
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -145,17 +145,18 @@ GEM
       google-cloud-core (~> 1.6)
       googleauth (>= 0.16.2, < 2.a)
       mini_mime (~> 1.0)
-    google-cloud-core (1.6.0)
-      google-cloud-env (~> 1.0)
+    google-cloud-core (1.6.1)
+      google-cloud-env (>= 1.0, < 3.a)
       google-cloud-errors (~> 1.0)
-    google-cloud-env (1.6.0)
-      faraday (>= 0.17.3, < 3.0)
+    google-cloud-env (2.0.1)
+      faraday (>= 1.0, < 3.a)
     google-cloud-errors (1.3.1)
     google-protobuf (3.25.1)
     googleapis-common-protos-types (1.10.0)
       google-protobuf (~> 3.18)
-    googleauth (1.8.1)
-      faraday (>= 0.17.3, < 3.a)
+    googleauth (1.9.0)
+      faraday (>= 1.0, < 3.a)
+      google-cloud-env (~> 2.0, >= 2.0.1)
       jwt (>= 1.4, < 3.0)
       multi_json (~> 1.11)
       os (>= 0.9, < 2.0)