pkgconf-2.9.92
bomtool: remove dead maximum_package_count code
spdxtool: serialize requires.private as development-scoped dependencies
cli: also remove PRIu64 usage when printing graph solutions
cli: add --link-abi query implementation
SPDX-License-Identifier: Add files with BSD-2-Clause, BSD-4-Clause and SUDO license
cli: update copyright in --about
SPDX-License-Identifier: Add files with pkgconf license