* [many ports] call vcpkg_fixup_pkgconfig()
The ports generate pc files, but don't call vcpkg_fixup_pkgconfig() so that there are absolute paths in the pc files
* Update port-version for armadillo and polyclipping.
* Update version database.
Co-authored-by: Billy Robert O'Neal III <bion@microsoft.com>
* [protobuf] upgrade to latest release (v3.18.0)
This requires patching OpenCV as it uses a function removed in the
latest version of protobuf (FWIW, upstream OpenCV has a similar patch).
* The arcus port also needs a patch
* The caffe2 port also needs a patch
* The brpc port also needs a patch