fix: Add STANDBY option to MetaOrigin enum #48

Job	Run time
Check version availability / Check version availability	24s
Run lint and type checks / Lint and type checks (3.8)	29s
Run lint and type checks / Lint and type checks (3.9)	23s
Run lint and type checks / Lint and type checks (3.10)	22s
Run lint and type checks / Lint and type checks (3.11)	24s
Run lint and type checks / Lint and type checks (3.12)	25s
Run unit tests / Run unit tests (ubuntu-latest, 3.8)	35s
Run unit tests / Run unit tests (ubuntu-latest, 3.9)	26s
Run unit tests / Run unit tests (ubuntu-latest, 3.10)	21s
Run unit tests / Run unit tests (ubuntu-latest, 3.11)	22s
Run unit tests / Run unit tests (ubuntu-latest, 3.12)	23s
Run unit tests / Run unit tests (windows-latest, 3.8)	1m 21s
Run unit tests / Run unit tests (windows-latest, 3.9)	1m 31s
Run unit tests / Run unit tests (windows-latest, 3.10)	1m 21s
Run unit tests / Run unit tests (windows-latest, 3.11)	1m 30s
Run unit tests / Run unit tests (windows-latest, 3.12)	1m 15s
	11m 32s

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