Test github actions for Linux #56

Job	Run time
Build and Publish Docker Image for testing Conan	12m 42s
Docker Runner Tests (3.12)	4m 28s
Docker Runner Tests (3.9)	4m 28s
Conan unittests (3.12.3)	1m 33s
Conan integration (3.12.3)	3m 55s
Conan functional (3.12.3)	5m 23s
Conan unittests (3.9.2)	1m 33s
Conan integration (3.9.2)	4m 0s
Conan functional (3.9.2)	5m 10s
Conan unittests (3.8.6)	1m 44s
Conan integration (3.8.6)	4m 17s
Conan functional (3.8.6)	5m 14s
Conan unittests (3.6.15)	1m 49s
Conan integration (3.6.15)	4m 41s
Conan functional (3.6.15)	5m 31s
Deploy to TestPyPI	0s
	1h 6m 28s

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