Add application default credentials to GcsStorageFactory

[elonazoulay]

This enables the use of workload identity federation.

Description

Additional context and related issues

Release notes

( ) This is not user-visible or is docs only, and no release notes are required.
( ) Release notes are required. Please propose a release note for me.
( ) Release notes are required, with the following suggested text:

# Section
* Fix some things. ({issue}`issuenumber`)

[hashhar]

Nice, so we can probably do same in BigQuery connector too I guess?

[ebyhr]

I think we already do the same thing in BigQuery connector?

trino/plugin/trino-bigquery/src/main/java/io/trino/plugin/bigquery/DefaultBigQueryCredentialsProvider.java

Line 43 in 786cacd

return GoogleCredentials.getApplicationDefault(factory.getTransportOptions().getHttpTransportFactory());