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

Job	Run time
build / Build (17)	1m 21s
build / Build (11)	1m 31s
build / Build (8)	1m 18s
Tests (Previous LTS) / load_configuration / load	3s
Tests (Previous LTS) / Cluster (MultiStreamAppend)	1m 39s
Tests (Previous LTS) / Secure (PersistentSubscriptions)	2m 6s
Tests (Previous LTS) / Single node (Telemetry)	1m 39s
Tests (Previous LTS) / Cluster (Streams)	1m 55s
Tests (Previous LTS) / Single node (PersistentSubscriptions)	2m 10s
Tests (Previous LTS) / Single node (Streams)	1m 50s
Tests (Previous LTS) / Cluster (PersistentSubscriptions)	1m 57s
Tests (Previous LTS) / Secure (Streams)	2m 1s
Tests (Previous LTS) / Single node (MultiStreamAppend)	1m 37s
	21m 7s

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