As a part of cf6ddaf capsh was pulled out of PROGS in progs/Makefile however this change was not reflected in install target. In turn capsh is no longer installed by default in libcap 2.50.
Yikes. Thanks for reporting!
Fixed with: https://git.kernel.org/pub/scm/libs/libcap/libcap.git/commit/?id=fc82332156dc04c24578aefcb7741d749d025032