Add coverage report with disabled algorithms. #3344

Job	Run time
cmake-offline-googletest	4m 4s
cmake-offline-googletest-src	4m 7s
system-sexpp, sexpp shared libs on, rnp shared libs on	2m 50s
system-sexpp, sexpp shared libs on, rnp shared libs off	2m 41s
package-source	28s
system-sexpp, sexpp shared libs off, rnp shared libs on	3m 4s
ubuntu-latest [CC gcc; botan; shared libs on; GnuPG stable]	4m 24s
system-sexpp, sexpp shared libs off, rnp shared libs off	2m 46s
ubuntu-latest [CC clang; botan; shared libs on; GnuPG stable]	4m 3s
ubuntu-latest [CC gcc; openssl; shared libs on; GnuPG stable]	4m 25s
ubuntu-latest [CC clang; openssl; shared libs on; GnuPG stable]	4m 31s
ubuntu-20.04 [CC gcc; openssl; shared libs on; GnuPG stable]	3m 40s
ubuntu-latest [CC gcc; botan; shared libs off; GnuPG stable]	4m 8s
package	51s
debian-tests	8s
	46m 10s

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