Add network to configfile for Docker runners #73

Job	Run time
Build and Publish Docker Image for testing Conan	1m 52s
Docker Runner Tests (3.12)	4m 35s
Docker Runner Tests (3.9)	4m 45s
Conan unittests (3.12.3)	1m 37s
Conan integration (3.12.3)	3m 57s
Conan functional (3.12.3)	5m 27s
Conan unittests (3.9.2)	1m 35s
Conan integration (3.9.2)	4m 8s
Conan functional (3.9.2)	5m 27s
Conan unittests (3.8.6)	1m 37s
Conan integration (3.8.6)	4m 14s
Conan functional (3.8.6)	5m 21s
Conan unittests (3.6.15)	1m 42s
Conan integration (3.6.15)	4m 48s
Conan functional (3.6.15)	5m 27s
Deploy to TestPyPI	0s
	56m 32s

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