rpm/check-for-config-changes: ignore GCC12/CC_NO_ARRAY_BOUNDS
    
    Upstream commit f0be87c42cbd (gcc-12: disable '-Warray-bounds'
    universally for now) added two new compiler-dependent configs:
    * CC_NO_ARRAY_BOUNDS
    * GCC12_NO_ARRAY_BOUNDS
    
    Ignore them -- they are unset by dummy tools (they depend on gcc version
    == 12), but set as needed during real compilation.