Adds ca-certificates installation step to Dockerfiles #963

Job	Run time
AAS Repository MongoDB - Build and Start Docker Image	2m 50s
Concept Description Repository - Build and Start Docker Image	2m 28s
Concept Description Repository MongoDB - Build and Start Docker Image	2m 52s
AAS Environment - Build and Start Docker Image	2m 19s
AAS Repository - Build and Start Docker Image	2m 25s
AAS Environment MongoDB - Build and Start Docker Image	2m 46s
Submodel Repository MongoDB - Build and Start Docker Image	2m 50s
AASX File Server - Build and Start Docker Image	2m 22s
AAS Registry Log MongoDB - Build and Start Docker Image	2m 47s
Submodel Registry Log Mem - Build and Start Docker Image	2m 18s
AAS Registry Log Mem - Build and Start Docker Image	2m 28s
Submodel Registry Kafka MongoDB - Build and Start Docker Image	3m 39s
AAS Registry Kafka Mem - Build and Start Docker Image	3m 33s
Submodel Service - Build and Start Docker Image	2m 15s
AAS Registry Kafka MongoDB - Build and Start Docker Image	3m 37s
AAS Discovery - Build and Start Docker Image	2m 25s
Submodel Registry Log MongoDB - Build and Start Docker Image	3m 14s
Submodel Repository - Build and Start Docker Image	2m 18s
AAS Discovery MongoDB - Build and Start Docker Image	2m 53s
Submodel Registry Kafka Mem - Build and Start Docker Image	3m 25s
	55m 44s

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