preview-v6.1.2

🐛 Bugfixes

• Removed incorrect dsklen==0 check.
• 68030 MMU configuration exception was incorrectly followed by f-line exception
• Do not cross 0x08000000 unless allocated size is larger.
• WHDBooter would default to 020 CPU in cases it should use 68000
• WHDBooter should detect AGA/CD32 games and use 020 CPU for them
• Fix interlaced mode in "Double, frames" mode

🔨 Improvements

• Added disk dma start and length to disk logging.
• Updated WHDLoad to latest version
• remember window position and size (fixes #1049)

🏗️ Build System

• Removed github flatpak build workflow
• updated CMake file for OpenGL
• fixed Guisan CMake file didn't include OpenGL files
• skip brew update step in macOS
• include preview branch in automated builds
• only build 32-bit targets for master branch
• include armhf targets when using a tag (for releases)
• fixed flatpak build

🪚 Refactors

• refactor whdbooter to use types that WinUAE uses
• adapt whdbooter options to new code
• cleanup and modernize whdbooter