web3: Add Soroban contract upgrade mechanism

[Akatenvictor]

Description

Add Soroban contract upgrade mechanism

Context

This issue is part of the AudioBlocks project improvement initiative. The change should be implemented following the project's existing patterns and conventions.

Acceptance Criteria

• Implementation follows project coding standards
• Changes are tested (unit tests where applicable)
• No regressions introduced
• Documentation updated if needed

[ZacLou]

@ZacLou has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi, I'd like to work on this issue. I've reviewed the acceptance criteria and the relevant codebase, and I'm confident I can deliver a focused, high-quality PR that meets the requirements.

My plan:

1. Fork the repo and create a feature branch.
2. Implement the requested changes with tests/docs as specified.
3. Open a PR linking back to this Drips issue.

I'm available to iterate quickly on review feedback. Please assign this to me if it looks like a good fit.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @ZacLou to this issue.

[AbuJulaybeeb]

@AbuJulaybeeb has applied to work on this issue as part of the Stellar Wave Program's 9th wave.

hi maintainer, i am a Full-Stack and web3 Developer, with 4+ years of experience. I have carefully read and understand the description of this issue, and i would like to take on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @AbuJulaybeeb to this issue.

[ajulaybeeb]

@ajulaybeeb has applied to work on this issue as part of the Stellar Wave Program's 9th wave.

Hi maintainer, I would like to take on this issue kindly assign me.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @ajulaybeeb to this issue.

[drips-wave]

Congratulations, @ajulaybeeb! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on September 30, 2026.

🧑‍💻 @ajulaybeeb: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊

[drips-wave]

This issue has been completed by @ajulaybeeb as part of the Stellar Wave Program's 9th Wave 🥳

😎 @ajulaybeeb: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here. You can also Leave a review to share your experience working on this issue.

🧑‍💻 Repo maintainers: How'd the contributor do? Leave a review to share your experience working with them.