Finalized CI refactoring #3206

Job	Run time
ubuntu-latest [CC gcc; botan; shared libs on; GnuPG stable]	8m 2s
ubuntu-latest [CC clang; botan; shared libs on; GnuPG stable]	7m 33s
ubuntu-latest [CC gcc; openssl; shared libs on; GnuPG stable]	9m 34s
ubuntu-latest [CC clang; openssl; shared libs on; GnuPG stable]	8m 17s
ubuntu-20.04 [CC gcc; openssl; shared libs on; GnuPG stable]	6m 38s
cmake-offline-googletest	7m 32s
ubuntu-latest [CC gcc; botan; shared libs off; GnuPG stable]	7m 37s
cmake-offline-googletest-src	7m 37s
system-sexpp, sexpp shared libs on, rnp shared libs on	5m 7s
package-source	59s
system-sexpp, sexpp shared libs on, rnp shared libs off	5m 7s
system-sexpp, sexpp shared libs off, rnp shared libs on	4m 55s
system-sexpp, sexpp shared libs off, rnp shared libs off	4m 46s
package	1m 4s
debian-tests	13s
	1h 25m 1s

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