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: [email protected]

We appreciate your partnership in this important migration effort!

#gsutil-migration

[gurusai-voleti]

Hi @sm745052, 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 automates the migration of Google Cloud Storage command-line interactions from the legacy gsutil tool to the recommended gcloud storage interface. This change aims to leverage the improved performance, unified authentication, and consistent command structure offered by gcloud storage. While automated, thorough review and testing are crucial to ensure continued functionality, especially given potential differences in command behavior and output parsing as highlighted in the PR description.

Highlights

• Migration to gcloud storage: Replaced legacy gsutil commands with modern gcloud storage equivalents across several files, aligning with Google Cloud's recommended practices.
• Automated Change: This pull request was automatically generated as part of an ongoing initiative to standardize Google Cloud Storage interactions.
• Command Updates: The changes primarily update command examples within README.md files and a comment in a Java source file, specifically replacing gsutil cp with gcloud storage cp and gsutil mb with gcloud storage buckets create.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 50.78%. Comparing base (96ca64f) to head (c3bde01).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #3161      +/-   ##
============================================
- Coverage     50.79%   50.78%   -0.02%     
+ Complexity     5486     5481       -5     
============================================
  Files           975      975              
  Lines         59984    59984              
  Branches       6552     6552              
============================================
- Hits          30470    30464       -6     
- Misses        27375    27376       +1     
- Partials       2139     2144       +5     

Components	Coverage Δ
spanner-templates	70.96% <ø> (-0.03%)	⬇️
spanner-import-export	68.94% <ø> (-0.08%)	⬇️
spanner-live-forward-migration	80.03% <ø> (ø)
spanner-live-reverse-replication	77.64% <ø> (ø)
spanner-bulk-migration	88.48% <ø> (ø)

Files with missing lines	Coverage Δ
...gle/cloud/teleport/v2/templates/KafkaToPubsub.java	0.00% <ø> (ø)

... and 3 files with indirect coverage changes

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