v5.1.0

Changed

• Upgrade node-gyp-build from ~3.8.0 to ~4.1.0 (#625) (@vweevers)
• Upgrade prebuildify devDependency from prebuild/prebuildify#override-platform to ^3.0.0 (#625) (@vweevers)
• Upgrade electron devDependency from ^4.1.2 to ^5.0.0 (#616) (@vweevers)
• CI optimization: skip initial compilation in Travis arm job (#625) (@vweevers)
• CI optimization: skip redundant npm install in arm containers (#625) (@vweevers)

Added

• Add Alpine (musl) prebuild (#625) (@vweevers)
• Add test-prebuild npm script (#625) (@vweevers)
• Document behavior of pending operations on close (687a6a1) (@vweevers)
• Update Supported Platforms in README.md (4f5c9cc) (@vweevers)

Fixed

• Add armv tag to ARM prebuilds (to ensure ARM version matches) (#625) (@vweevers)