Update abseil-cpp to version 20211102.0 / rev 23 via SR 985793
https://build.opensuse.org/request/show/985793
by user favogt + dimstar_suse
- Remove obsolete 0%{suse_version} < 1500 conditions
- Add options-old.patch, options-cxx17.patch
* Ensure ABI stability regardless of compiler settings per instruction in the header.