fix: update radare2 download source to GitHub releases

[MaizeShark]

This PR updates the download URL for the radare2 binary used in both the Android application and the Magisk module build script.

The previous your-objectstorage.com links have become unreliable or offline, leading to the setup failures reported by multiple users in #439. This change migrates the source to official GitHub release assets provided by devnoname120 (5.9.8-android-aln), i hope that is the correct one.

Changes

• RadareOffsetFinder.kt: Updated RADARE2_URL to point to the new GitHub release asset.
• build-magisk-module.sh: Updated the curl target to ensure the Magisk module builds with a valid binary.

Linked Issues

• Fixes Failure to install Radare2 Tarball in setup #439: Resolves "Failure to install Radare2 Tarball in setup".

Testing & Verification

Important

Partial Verification: I have verified that the new URLs are reachable and the files are being pulled correctly. However, I am currently unable to perform a full end-to-end connection test due to the ongoing L2CAP connection issues on the Pixel 7a (as documented in #229).
Despite the socket timeout/PSM issues on my specific hardware, this PR successfully fixes the installation phase of the setup, which was previously failing for everyone.

Summary by CodeRabbit

• Chores
  • Updated radare2 dependency download sources to GitHub releases for improved reliability and consistency.

[coderabbitai]

📝 Walkthrough

Walkthrough

This pull request updates radare2 download URLs from legacy sources to GitHub releases across two files. The Kotlin utility updates a URL constant, while the Magisk module build script updates its download command to use the aln variant of radare2.

Changes

Cohort / File(s)	Summary
Radare2 Download URL Updates android/app/src/main/java/me/kavishdevar/librepods/utils/RadareOffsetFinder.kt, build-magisk-module.sh	Updated download URLs from deprecated hosts to GitHub releases. The build script also switches to the aln (Android Linux) variant of radare2 (version 5.9.8-android-aln).

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: updating radare2 download source to GitHub releases, which is the primary focus of the changeset.
Linked Issues check	✅ Passed	The code changes directly address issue #439 by replacing unreliable download URLs with the official GitHub releases URL, enabling successful radare2 binary installation during setup.
Out of Scope Changes check	✅ Passed	All changes are scoped to updating the radare2 download URL in two files; no unrelated modifications or out-of-scope alterations are present.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[devnoname120]

Dead links are the reason I initially just committed the tarball in the repo directly 😄

For reference here is why we need to use a custom radare2 build: devnoname120/radare2@5459930