sysutils/polkit-qt: update to 0.114

Changelog:

• Use feature_summary()
• Drop PolkitQt1::version*() API declaration, never implemented
• Use target_sources to directly set sources instead of helper vars
• Include headers in example & test like external consumer would
• Set include dirs for linking libraries during build by target interface
• Generate version & config file in core build dir
• Use individual export headers/macros per each library
• Remove outdated template FindPolkitQt.cmake
• Remove module prefix from Qt includes in public headers
• Link polkit-qt-test to agent lib target, an include is used
• Remove module prefix from Qt includes of non-oublic headers
• Remove unused include
• Remove unneeded/unused include_directories
• Use more override
• Use more nullptr
• Port away from legacy LINK_PUBLIC & LINK_PRIVATE
• Fully qualify slot argument
• Use QStringLiteral
• Convert license statements to SPDX expressions
• Remove unused cmake macro files
• Enable CMAKE_AUTOUIC and CMAKE_AUTORCC
• Let cmake set the C++ standard

• Port from Q_ENUMS to Q_ENUM * Make use of PkgConfig to find dependencies

• Use Q_DECLARE_OPERATORS_FOR_FLAGS in same namespace as flags definition
• Use more nullptr
• API dox: reference KDE Frameworks, no longer KDE Development Platform
• Support API documentation generation with kapidox
• Make it compile without deprecated method