feat: add db schema and types for Plan API #5155

Job	Run time
Build	1m 3s
Commit hooks	47s
CI	3m 55s
Dependency review	4s
Developer environment	55s
E2E	2m 39s
FOSSA Scan	0s
Lint	3m 39s
Migration Checks	2m 26s
Quickstart	57s
Test	3m 39s
Artifacts / Benthos Collector Container image	1m 41s
Artifacts / Container image	50s
	22m 35s

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