Tidy

Lang - reluctantly roll back support for changing the FX context of a…

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Doc - update Windows Build instructions

Build - bump macOS vcpkg version

Build - update min cmake versoin for external libs

Build - don't hard code build type

BUILD - fix kissfft dll path

BUILD - further improvements

Build - make sure test .exe file has the kissfft dll

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Build - fix linux build

Build - fix Windows build

Build - attempt to propogate build errors on Windows

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Merge pull request #3446 from rbnpi/dev

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Translated using Weblate (German)

Build - add rtmidi to list of apt deps

Build - fix pi-build-all flags

build - add additional pi deps

build - simplify pi build scripts

Build - tidy

Docs - update paths to reflect removal of app/gui/qt dir

gitignore - ignore build detritus

CI - teach the api-tests were the actual test cpp files are

Build - tweak api-tests cmakelists.txt