Integration tests parallelism - CI sharding #993

Job	Run time
Integration Tests (ubuntu-latest shard 1/4)	2m 55s
Integration Tests (ubuntu-latest shard 2/4)	2m 1s
Integration Tests (macos-latest)	1m 39s
Integration Tests (windows-latest)	1m 58s
Lint	26s
GoReleaser Check	7s
Integration Tests (ubuntu-latest shard 3/4)	2m 33s
Integration Tests (ubuntu-latest shard 4/4)	3m 7s
Unit Tests	44s
Build and Publish Release	-1s
	15m 29s

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