Add Vcpkg binary caching
Add Vcpkg binary caching

Speed up GitHub Actions CI using Vcpkg binary caching feature.

Dependencies are built once and on next run restored from GitHub
packages.

libsndfile/libsndfile,libsndfile/libsndfile,evpobr/libsndfile,evpobr/libsndfile,evpobr/libsndfile,evpobr/libsndfile,libsndfile/libsndfile,libsndfile/libsndfile,libsndfile/libsndfile,evpobr/libsndfile