build: don't use dev version of rust-dashcore, revert to v0.40.0

[lklimek]

Issue being fixed or feature implemented

We use dev version of rust-dashcore, what is not recommended for release and breaks CI/CD.

What was done?

Downgraded rust-dashcore to v0.40.0

How Has This Been Tested?

GHA

Breaking Changes

None

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated relevant unit/integration/functional/e2e tests
• I have added "!" to the title and described breaking changes in the corresponding section if my code contains any
• I have made corresponding changes to the documentation if needed

For repository code-owners and collaborators only

• I have assigned this pull request to a milestone

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch deps/platformAddress-downgrade-dashcore-0.40

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[github-actions]

✅ DashSDKFFI.xcframework built for this PR.

• Workflow run: https://github.com/dashpay/platform/actions/runs/20336515013
• Artifacts: DashSDKFFI.xcframework (folder), DashSDKFFI.xcframework.zip, xc_checksum.txt

SwiftPM (host the zip at a stable URL, then use):

.binaryTarget(
  name: "DashSDKFFI",
  url: "https://your.cdn.example/DashSDKFFI.xcframework.zip",
  checksum: "4cc65301161df6b80486745d4ed9fc59bbc3f44ce157b8430d860f448156af6b"
)

Xcode manual integration:

• Download 'DashSDKFFI.xcframework' artifact from the run link above.
• Drag it into your app target (Frameworks, Libraries & Embedded Content) and set Embed & Sign.
• If using the Swift wrapper package, point its binaryTarget to the xcframework location or add the package and place the xcframework at the expected path.

[QuantumExplorer]

Let's use a version 0.41.0

[lklimek]

We decided to go with 0.41, closing in favor of #2915