Defined the DurabilityHost interface and migrated Durability to it (#… #4380

Job	Run time
wasm-rpc-stub	1m 53s
worker-tests-group1	8m 38s
build-and-test	22m 26s
cli-tests	18m 36s
sharding-tests	14m 26s
integration-tests	25m 33s
docker-targets-build (${{ matrix.platform.platform }})	0s
Publish binaries of ${{ matrix.project }}	0s
docker-publish	0s
worker-tests-group2	5m 1s
worker-tests-group3	5m 28s
worker-tests-group4	10m 20s
worker-tests-group5	9m 43s
worker-tests-group6	16m 31s
worker-tests-group7	7m 50s
worker-tests-group8	15m 36s
publish	0s
publish-slack-notification	0s
	2h 42m 1s

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