add managed schema for subscription management #3604

Job	Run time
build-run-image (macos-latest-xlarge, arm64)	5m 3s
build-run-image (blacksmith-32vcpu-ubuntu-2404-arm, arm64)	3m 57s
build-run-image (blacksmith-32vcpu-ubuntu-2404, amd64)	3m 15s
run-tests / prepare	44s
run-testinfra / prepare	34s
run-tests / build ("17")	1m 36s
run-tests / build ("orioledb-17")	1s
run-tests / build ("15")	4s
run-testinfra / test-ami-nix ("15")	46m 32s
run-testinfra / test-ami-nix ("17")	46m 36s
run-testinfra / test-ami-nix ("orioledb-17")	43m 58s
	2h 32m 20s

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