Fix: Extract gdb packages in tar.xz format

[JonatanAntoni]

Fixes

• #

Changes

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• 🤖 This change is covered by unit tests (if applicable).
• 🤹 Manual testing has been performed (if necessary).
• 🛡️ Security impacts have been considered (if relevant).
• 📖 Documentation updates are complete (if required).
• 🧠 Third-party dependencies and TPIP updated (if required).

[qltysh]

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[jreineckearm]

Was bit worried about the dependency check seeing old versions coming in 😞
https://github.com/Open-CMSIS-Pack/vscode-cmsis-debugger/actions/runs/20276323958/job/58225989914?pr=699

[jreineckearm]

@JonatanAntoni , we should consider moving back to fast-extract in vsce-helper and try to address the flaky behavior you mentioned, differently. In contrast to decompress, fast-extract still seems to be actively maintained.

[jreineckearm]

Reviewed content of VSIX files in https://github.com/Open-CMSIS-Pack/vscode-cmsis-debugger/actions/runs/20302898382
All contain again GDB and pyOCD.
Tested Windows x64 version: launches as expected.
Currently running nightly build workflow on this branch to verify its content, too.

[jreineckearm]

Works again, thanks for your help with this!