chore: update docker image to kurrentplatform/kurrentdb (#386) #181

Job	Run time
build / Build (11)	1m 19s
build / Build (8)	1m 15s
build / Build (17)	1m 22s
Tests (CI) / load_configuration / load	2s
Tests (CI) / Cluster (Streams)	1m 55s
Tests (CI) / Secure (Streams)	2m 9s
Tests (CI) / Secure (PersistentSubscriptions)	2m 30s
Tests (CI) / Cluster (PersistentSubscriptions)	2m 16s
Tests (CI) / Cluster (MultiStreamAppend)	2m 4s
Tests (CI) / Single node (Streams)	1m 49s
Tests (CI) / Single node (PersistentSubscriptions)	2m 17s
Tests (CI) / Single node (MultiStreamAppend)	1m 46s
Tests (CI) / Single node (Telemetry)	1m 55s
	22m 39s

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