Support for designated revokers #3304

Job	Run time
ubuntu-latest [CC gcc; botan; shared libs on; GnuPG stable]	4m 16s
cmake-offline-googletest-src	4m 14s
cmake-offline-googletest	4m 43s
ubuntu-latest [CC clang; botan; shared libs on; GnuPG stable]	4m 12s
ubuntu-latest [CC gcc; openssl; shared libs on; GnuPG stable]	4m 32s
system-sexpp, sexpp shared libs on, rnp shared libs on	3m 6s
system-sexpp, sexpp shared libs on, rnp shared libs off	2m 43s
ubuntu-latest [CC clang; openssl; shared libs on; GnuPG stable]	4m 18s
system-sexpp, sexpp shared libs off, rnp shared libs on	2m 45s
ubuntu-20.04 [CC gcc; openssl; shared libs on; GnuPG stable]	3m 45s
system-sexpp, sexpp shared libs off, rnp shared libs off	3m 30s
ubuntu-latest [CC gcc; botan; shared libs off; GnuPG stable]	4m 5s
package-source	32s
package	46s
debian-tests	7s
	47m 34s

Provide feedback