Finalized CI refactoring #3196

Job	Run time
ubuntu-latest [CC gcc; botan; shared libs on; GnuPG stable]	6m 5s
ubuntu-latest [CC clang; botan; shared libs on; GnuPG stable]	6m 26s
cmake-offline-googletest-src	7m 43s
ubuntu-latest [CC gcc; openssl; shared libs on; GnuPG stable]	5m 30s
cmake-offline-googletest	7m 11s
ubuntu-latest [CC clang; openssl; shared libs on; GnuPG stable]	5m 41s
system-sexpp, sexpp shared libs on, rnp shared libs on	1s
ubuntu-20.04 [CC gcc; openssl; shared libs on; GnuPG stable]	7m 0s
system-sexpp, sexpp shared libs on, rnp shared libs off	2m 28s
ubuntu-latest [CC gcc; botan; shared libs off; GnuPG stable]	6m 26s
system-sexpp, sexpp shared libs off, rnp shared libs on	1s
package-source	1m 29s
system-sexpp, sexpp shared libs off, rnp shared libs off	3m 29s
package	1s
debian-tests	1s
	59m 32s

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