Add macOS Catalina 10.15 legacy build lane#310

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zortos293 wants to merge 2 commits intodevfrom

capy/add-macos-catalina-build

Commits on Apr 15, 2026

Add macOS 10.15 Catalina legacy build lane using separate Electron 27 packaging configuration
zortos293
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fix(ci): preserve shared mac electron-builder settings in overlay configs
zortos293
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