Log Message:
vigra: updated to 1.11.2

Release 1.11.2

Updated CMake minimum version to 3.12.
Added support for PyPy as python runtime (Mark Harfouche).
Updated/Fixed CI, including various fixes for the build system (Mark Harfouche, \ 
John Kirkham, Dominik Kutra)
Various fixes / improved compatility to support updated dependencies (hdf5 5.12, \ 
numpy>=1.20, sphinx>=1.8.0, python 3, h5py 3.0) (Mark Harfouche, John \ 
Kirkham, Ullrich Koethe, Dominik Kutra, Hans Meine)
Fixed Matlab compilation (Joachim Börger)
Fixed compilation with cpp17 (Constantin Pape)