Fix Omniq Types on Exec

[jpmgoncalves12]

exec are with type Any, preventing the autocomplete.

@dataclass(frozen=True)
class JobCtx:
    queue: str
    job_id: str
    payload_raw: str
    payload: PayloadT
    attempt: int
    lock_until_ms: int
    lease_token: str
    gid: str = ""
    exec: Any = None