ci: add integration tests #78

Job	Run time
Linters	3m 25s
Build Kernel arm64 (if needed)	22s
Build Kernel x86_64 (if needed)	12s
Protobuf	34s
Project Checks	1m 2s
Integration Tests (ubuntu-latest)	2m 55s
Integration Tests (macos-latest)	12s
	8m 42s

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