Add support for Google Cloud Service universe domain configuration

What does this MR do and why?

A customer needs support for Google Cloud Dedicated: https://cloud.google.com/sovereign-cloud?hl=en

This supports the universe_domain setting added in https://github.com/fog/fog-google/pull/652 and https://github.com/google/go-cloud/pull/3651.

References

Relates to https://gitlab.com/gitlab-org/gitlab/-/work_items/581881

How to set up and validate locally

We are still awaiting our test environment, but these changes should not affect existing Google Cloud users. You can validate that fog-google attempts to contact the domain specified in universe_domain. For example, on an Omnibus instance:

gitlab_rails['object_store']['enabled'] = true
gitlab_rails['object_store']['connection'] = { 
  'provider': 'Google', 'google_application_default' => true, 
  'google_project' => 'some-project', 
  'universe_domain' => 'testme.example.com' 
}

You can see this error:

 "exception.class": "Google::Apis::TransmissionError",
  "exception.message": "getaddrinfo: Name or service not known (iamcredentials.testme.example.com:443)",
  "exception.backtrace": [
    "httpclient (2.8.3) lib/httpclient/session.rb:625:in `rescue in create_socket'",
    "httpclient (2.8.3) lib/httpclient/session.rb:607:in `create_socket'",
    "httpclient (2.8.3) lib/httpclient/ssl_socket.rb:21:in `create_socket'",
    "httpclient (2.8.3) lib/httpclient/session.rb:752:in `block in connect'",
    "timeout (0.4.3) lib/timeout.rb:185:in `block in timeout'",
    "timeout (0.4.3) lib/timeout.rb:192:in `timeout'",
    "httpclient (2.8.3) lib/httpclient/session.rb:748:in `connect'",
    "httpclient (2.8.3) lib/httpclient/session.rb:511:in `query'",
    "httpclient (2.8.3) lib/httpclient/session.rb:177:in `query'",
    "httpclient (2.8.3) lib/httpclient.rb:1242:in `do_get_block'",
    "gitlab-labkit (1.1.3) lib/labkit/httpclient_publisher.rb:35:in `block in do_get_block'",
    "activesupport (7.2.3) lib/active_support/notifications.rb:210:in `block in instrument'",
    "activesupport (7.2.3) lib/active_support/notifications/instrumenter.rb:58:in `instrument'",
    "activesupport (7.2.3) lib/active_support/notifications.rb:210:in `instrument'",
    "gitlab-labkit (1.1.3) lib/labkit/httpclient_publisher.rb:32:in `do_get_block'",
    "httpclient (2.8.3) lib/httpclient.rb:1019:in `block in do_request'",
    "httpclient (2.8.3) lib/httpclient.rb:1133:in `protect_keep_alive_disconnected'",
    "httpclient (2.8.3) lib/httpclient.rb:1014:in `do_request'",
    "httpclient (2.8.3) lib/httpclient.rb:1104:in `follow_redirect'",
    "httpclient (2.8.3) lib/httpclient.rb:854:in `request'",
    "google-apis-core (0.18.0) lib/google/apis/core/http_command.rb:323:in `execute_once'",
    "google-apis-core (0.18.0) lib/google/apis/core/http_command.rb:131:in `block (2 levels) in do_retry'",
    "retriable (3.1.2) lib/retriable.rb:61:in `block in retriable'",
    "<internal:numeric>:237:in `times'",
    "retriable (3.1.2) lib/retriable.rb:56:in `retriable'",
    "google-apis-core (0.18.0) lib/google/apis/core/http_command.rb:128:in `block in do_retry'",
    "retriable (3.1.2) lib/retriable.rb:61:in `block in retriable'",
    "<internal:numeric>:237:in `times'",
    "retriable (3.1.2) lib/retriable.rb:56:in `retriable'",
    "google-apis-core (0.18.0) lib/google/apis/core/http_command.rb:118:in `do_retry'",
    "google-apis-core (0.18.0) lib/google/apis/core/http_command.rb:109:in `execute'",
    "google-apis-core (0.18.0) lib/google/apis/core/base_service.rb:507:in `execute_or_queue_command'",
    "google-apis-iamcredentials_v1 (0.24.0) lib/google/apis/iamcredentials_v1/service.rb:251:in `sign_service_account_blob'",
    "fog-google (1.29.1) lib/fog/google/storage/storage_json/real.rb:184:in `iam_signer'",
    "fog-google (1.29.1) lib/fog/google/storage/storage_json/real.rb:74:in `signature'",
    "fog-google (1.29.1) lib/fog/google/storage/storage_json/utils.rb:54:in `host_path_query'",
    "fog-google (1.29.1) lib/fog/google/storage/storage_json/utils.rb:14:in `https_url'",
    "fog-google (1.29.1) lib/fog/google/storage/storage_json/requests/get_object_https_url.rb:9:in `get_object_https_url'",
    "lib/object_storage/direct_upload.rb:162:in `get_url'",
    "lib/object_storage/direct_upload.rb:45:in `to_hash'",

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