Update Bear to version 3.0.18 / rev 6 via SR 950230
https://build.opensuse.org/request/show/950230
by user marxin + dimstar_suse
- Update to version 3.0.18
* Fix compile errors with g++ 11.02 (#434, @shrkamat)
* Added CMAKE_EXE_LINKER_FLAGS to external projects. (#437, @XaverKlemenschits)
* Fixed Libtool test failure. (#435, @gyakovlev)