chore: Migrate gsutil usage to gcloud storage

[gurusai-voleti]

Automated: Migrate {target_path} from gsutil to gcloud storage

This CL is part of the on going effort to migrate from the legacy gsutil tool to the new and improved gcloud storage command-line interface.
gcloud storage is the recommended and modern tool for interacting with Google Cloud Storage, offering better performance, unified authentication, and a more consistent command structure with other gcloud components. 🚀

Automation Details

This change was generated automatically by an agent that targets users of gsutil.
The transformations applied are based on the gsutil to gcloud storage migration guide.

⚠️ Action Required: Please Review and Test Carefully

While we have based the automation on the migration guide, every use case is unique.
It is crucial that you thoroughly test these changes in environments appropriate to your use-case before merging.
Be aware of potential differences between gsutil and gcloud storage that could impact your workflows.
For instance, the structure of command output may have changed, requiring updates to any scripts that parse it. Similarly, command behavior can differ subtly; the gcloud storage rsync command has a different file deletion logic than gsutil rsync, which could lead to unintended file deletions.

Our migration guides can help guide you through a list of mappings and some notable differences between the two tools.

Standard presubmit tests are run as part of this CL's workflow. If you need to target an additional test workflow or require assistance with testing, please let us know.

Please verify that all your Cloud Storage operations continue to work as expected to avoid any potential disruptions in production.

Support and Collaboration

The GCS CLI team is here to help! If you encounter any issues, have a complex use case that this automated change doesn't cover, or face any other blockers, please don't hesitate to reach out.
We are happy to work with you to test and adjust these changes as needed.

Contact: gcs-cli-hyd@google.com

We appreciate your partnership in this important migration effort!

#gsutil-migration

[gurusai-voleti]

Hi @31518063+kurtisvg, Can we get your review on this PR? Thanks!

[gemini-code-assist]

Summary of Changes

Hello @gurusai-voleti, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request systematically updates documentation examples across several Dataflow README.md files, replacing legacy gsutil commands with their modern gcloud storage counterparts. This change is part of an automated initiative to standardize Google Cloud Storage interactions, aiming for improved performance, unified authentication, and a more consistent command-line experience within the Google Cloud ecosystem. Reviewers are encouraged to thoroughly test these changes due to potential subtle differences in command behavior.

Highlights

• Migration to gcloud storage: All instances of gsutil commands within the affected README.md files have been migrated to their gcloud storage equivalents.
• Automated Change: This pull request was generated automatically as part of a broader effort to standardize on gcloud storage for Google Cloud Storage interactions.
• Command Replacements: Specific commands like gsutil mb, gsutil rm, gsutil cp, and gsutil rb have been replaced with gcloud storage buckets create, gcloud storage rm, gcloud storage cp, and gcloud storage buckets delete respectively, with appropriate flags like --recursive and --continue-on-error added where necessary.

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[gemini-code-assist]

Code Review

This pull request automates the migration of gsutil commands to the more modern gcloud storage CLI. The changes are generally correct and follow the migration patterns. However, I found one instance where the generated command for deleting bucket contents is incorrect and will not work as intended. I've provided a specific suggestion to fix this command to ensure the cleanup scripts function correctly.