CI/CD

v9.1.4: fixed comparison bug in `removeTilesOlderThan` (#173) #625

Job	Run time
Score Package	2m 10s
Run Tests	2m 45s
Analyse Code	1m 44s
Build Tile Server (Windows)	37s
Build Demo App (Windows)	4m 51s
Build Demo App (Android)	4m 27s
Build Tile Server (Linux/Ubuntu)	19s
	16m 53s

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