Add network to configfile for Docker runners #71

Job	Run time
Docker Runner Tests (3.12)	4m 39s
Build and Publish Docker Image for testing Conan	1m 48s
Docker Runner Tests (3.9)	4m 48s
Conan unittests (3.12.3)	1m 36s
Conan integration (3.12.3)	4m 5s
Conan functional (3.12.3)	5m 5s
Conan unittests (3.9.2)	1m 35s
Conan integration (3.9.2)	4m 20s
Conan functional (3.9.2)	5m 35s
Conan unittests (3.8.6)	1m 47s
Conan integration (3.8.6)	4m 14s
Conan functional (3.8.6)	5m 28s
Conan unittests (3.6.15)	1m 42s
Conan integration (3.6.15)	4m 42s
Conan functional (3.6.15)	5m 46s
Deploy to TestPyPI	0s
	57m 10s

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