Return list of GCS URIs from SalesforceToGcsOperator

[Prab-27]

Related : #11323

It returns str | list[str] in execute method from SalesforceToGcsOperator

---

Was generative AI tooling used to co-author this PR?

• Yes (please specify the tool below)

---

• Read the Pull Request Guidelines for more information. Note: commit author/co-author name and email in commits become permanently public when merged.
• For fundamental code changes, an Airflow Improvement Proposal (AIP) is needed.
• When adding dependency, check compliance with the ASF 3rd Party License Policy.
• For significant user-facing changes create newsfragment: {pr_number}.significant.rst or {issue_number}.significant.rst, in airflow-core/newsfragments.

[Prab-27]

I need to run the system tests and unit tests .I’ll do all this once the connection is stable. It should work fine within 24 hours.

[Prab-27]

If I can’t run system tests, I’ll run unit tests instead, fix the issue, and ask someone to run the system tests.
(Please wait a couple of days while I fix the system tests.)

[Prab-27]

@shahar1 it pass unit tests but system tests failed :

I tried in breeze container with pytest --system file but it will take some time - Related PR - here

I read this - here and tried to run it

I'm working on it and get back to you soon

[kacpermuda]

Suggested change

	"will change to list[str] of GCS URIs in a future release. Set return_gcs_uris=True to opt in.",
	"will change to list[str] of GCS URIs in a future release. Set unwrap_single=True to opt in.",